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151. Iran may be a turning point for US regime change objectives in Latin America

Author:
Tiziano Breda and Sandra Pellegrini
Publication Date:
03-2026
Content Type:
Special Report
Institution:
Armed Conflict Location & Event Data Project (ACLED)
Abstract:
In Venezuela, Operation Absolute Resolve caused no American fatalities, and Nicolás Maduro was captured swiftly and replaced with Delcy Rodríguez, who embarked on normalization of relations with the United States and reforms that benefit US interests. In contrast, Operation Epic Fury in Iran has already seen hundreds of American service members injured and seven killed; Iranian retaliation has inflicted serious political costs on the US and allies; and the replacement for Supreme Leader Ali Khamenei, killed in US-Israeli operations, is his son, a fellow hard-liner — signaling Iranian defiance rather than concessions. The risk of increasing entanglement in Iran will likely weaken US capacity and dampen domestic appetite for further intervention, at least ahead of the November mid-term elections. Sustained US military engagement in the Middle East may further divert some of its resources deployed in the Caribbean, already deprived of the USS Gerald Ford aircraft carrier.1 This, in turn, may limit the credibility of any threat of further US operations in Venezuela or Cuba, hindering Trump’s ability to extract concessions from Caracas and Havana, particularly those related to democratization. Cuba remains a US priority: Trump has reiterated warnings of imminent changes in the island.2 However, recent US-Cuba engagement suggests that a negotiated political settlement, rather than a direct and costly military operation as in Venezuela, has gained traction. The US has applied pressure to bring the Cuban regime to the negotiating table. A blockade on oil exports has already triggered several power outages that have affected all sectors of the economy and access to basic necessities, and these are likely to deepen as oil import prices hike. The shortages risk heightening social discontent and increase domestic pressure on the government. Previous spikes in demonstrations in Cuba have been spurred by fuel and energy shortages, and recent protests suggest this dynamic remains potent.3
Topic:
Regime Change, Military Intervention, Armed Conflict, Energy, and Operation Epic Fury
Political Geography:
Iran, Middle East, Cuba, Latin America, Venezuela, North America, and United States of America

152. The migration debate on the streets: Four key things to know from global data on protests

Author:
Kieran Doyle and Ciro Murillo
Publication Date:
02-2026
Content Type:
Special Report
Institution:
Armed Conflict Location & Event Data Project (ACLED)
Abstract:
The Trump administration’s immigration crackdown has sent shockwaves across the United States. Far-reaching detention operations across the country led by Immigration and Customs Enforcement (ICE) agents have sparked thousands of anti-ICE and pro-migrant protests. In early January 2026, the Department of Homeland Security (DHS) massively expanded “Operation Metro Surge” in Minnesota, making it the agency’s largest-ever operation. Within three weeks, federal migration enforcement officers shot and killed two people in incidents that were recorded from multiple angles by bystanders in videos that quickly went viral. These shootings inflamed already heightened tensions between demonstrators and law enforcement agents and triggered hundreds of anti-ICE protests across the country. As the operation continues despite Trump’s promise of “de-escalation,” and amid a fresh ICE operation in Maine, it’s clear that the fight over migration in the US is far from finished.1 The situation in the United States is not unique – these protests represent a fraction of the larger picture of demonstrations over migration worldwide. ACLED records migration-related demonstrations in over 75 countries since the beginning of 2025. From peaceful demonstrations to episodes of violence perpetrated by radical groups, sentiments toward migration manifest differently across regional and political contexts. ACLED’s protest data provide four key insights on surges in pro- and anti-migration mobilization. These findings reflect how migration demonstrations are a global phenomenon – albeit much more concentrated in major destination countries – and point to how migration and migration crackdowns play a role in polarizing societies around the world.
Topic:
Migration, Protests, Political Extremism, and Immigration and Customs Enforcement (ICE)
Political Geography:
Global Focus

153. Ukraine war: How six new trends are shaping the conflict

Author:
Olha Polishchuk and Cristian Vlas
Publication Date:
02-2026
Content Type:
Special Report
Institution:
Armed Conflict Location & Event Data Project (ACLED)
Abstract:
Russia made limited yet costly advances in the Donetsk region, and expanded pressure along the northern front and the Zaporizhia region. As Russia scaled up its drone production, it has also spread and intensified its drone-led civilian targeting across Ukraine. Russia ramped up its campaign against Ukraine’s energy infrastructure ahead of the coldest winter since the war began, causing widespread blackouts during freezing temperatures. Ukraine sharpened its long-range attacks deep into Russian territory, targeting oil and military facilities to generate economic and reputational damage. Russia tested and mapped security across Europe by engaging in sabotage, drone overflights, and provocative use of weapons. Ukraine faced an increasing number of Russian-recruited saboteurs and genuine cohesion challenges around anti-corruption efforts.
Topic:
Drones, Armed Conflict, Sabotage, Energy, and Russia-Ukraine War
Political Geography:
Russia, Eurasia, and Ukraine

154. Africa: Non-state armed groups are the main drivers of violence targeting local officials

Author:
Christian Jaffe
Publication Date:
04-2026
Content Type:
Special Report
Institution:
Armed Conflict Location & Event Data Project (ACLED)
Abstract:
In 2025, violence affected local officials in 28 African countries but was strongly concentrated in the east and west of the continent (see map below). Although this violence has been decreasing regionwide since 2023, in three of the six worst-affected countries — Nigeria, Ethiopia, and Cameroon — it grew in 2025. In South Sudan, it remained at the same levels recorded in 2024, while it decreased in Kenya and Somalia. All six of these countries were also in the top 10 worst-affected countries in 2024.
Topic:
Political Violence, Non State Actors, Armed Forces, Violence, and Local Government
Political Geography:
Africa, Ethiopia, Nigeria, and Cameroon

155. Blue Nile: From peripheral front to central battleground in the Sudan conflict

Author:
Jalale Getachew Birru
Publication Date:
01-2026
Content Type:
Special Report
Institution:
Armed Conflict Location & Event Data Project (ACLED)
Abstract:
The 25 January clash between the SAF and the RSF and SPLM-N Hilu faction now places Blue Nile state at the center of the Sudan conflict.
Topic:
Civil War, Armed Conflict, Rapid Support Forces (RSF), and Sudanese Armed Forces (SAF)
Political Geography:
Africa, Sudan, and Blue Nile

156. GR&P Seminar: The Impact of Global Change on Food Trade Vulnerability and Food Security

Author:
Kenneth Strzepek and Gregory Sixt
Publication Date:
01-2026
Content Type:
Video
Institution:
MIT Center for International Studies
Abstract:
International food trade has become essential for global food security, with over 40% of staple foods traded internationally. However, interconnected food networks are vulnerable to climatic, economic, and geopolitical shocks. This event will discuss the new MIT Jameel Index for Food Trade and Vulnerability, a comprehensive index linking food trade exposure to national resilience. Developed to inform evidence-based policymaking, the Jameel Index offers new insights into which countries are most at risk from disruptions in food trade and how global food systems can be strengthened. The seminar will present findings from projections of economic, population, and climate change impacts on food trade vulnerability for 2035 and 2050, and discuss their policy implications for addressing growing food insecurity in a volatile geopolitical and climate landscape. Kenneth Strzepek, PhD, is a Climate, Water, and Food Specialist and a Research Scientist at the MIT Center for Sustainability Science and Strategy. He is also Professor Emeritus of Civil, Environmental, and Architectural Engineering, University of Boulder at Colorado. He has worked for a range of national governments as well as the United Nations, the World Bank, and the USAID. Additionally, he holds research appointments at the International Food Policy Research Institute and at the University of Pretoria, South Africa. Gregory Sixt, PhD, directs the Food and Climate Systems Transformation (FACT) Alliance, an MIT Abdul Latif Jameel Water and Food Systems Lab (J-WAFS)-led global network of leading research institutions and stakeholder organizations working to shorten the link between research and action. He also serves as Research Manager for Food and Climate Systems on various J-WAFS projects. Previously, he worked at the U.S. Department of Agriculture’s National Institute of Food and Agriculture.
Topic:
Food Security, Geopolitics, Trade, Supply Chains, and Vulnerability
Political Geography:
Global Focus

157. When Weak States Win: A Supermodular Game-Theoretic Account of the 2006 Bolivia–Brazil Gas Crisis

Author:
Rodrigo Lyra and Manoel Galdino
Publication Date:
07-2026
Content Type:
Journal Article
Journal:
Revista Brasileira de Política Internacional (RBPI)
Institution:
Instituto Brasileiro de Relações Internacionais (IBRI)
Abstract:
What if third-party involvement and economic interdependence, often assumed to foster compromise, are precisely what entrench escalation in international negotiations? This paper introduces a supermodular game-theoretic framework to explain how indirect third-party alignment and domestic political constraints can produce strategic complementarities that lock actors into rigid bargaining positions. Drawing on an analytic narrative of the 2006 Bolivia–Brazil gas negotiations, we demonstrate how Venezuela’s political and financial backing emboldened Bolivia to harden its stance, while Brazil’s capacity to respond assertively was neutralized by domestic audience costs, intensified by electoral pressures. The result was not mediation or de-escalation, but a contested equilibrium shaped by positive feedback dynamics. Our findings show that third-party support can strategically reshape payoff structures in ways that incentivize escalation, even under conditions of deep interdependence. This framework advances the study of international negotiations by modelling how escalation can emerge endogenously from the strategic structure of trilateral interactions.
Topic:
Gas, Negotiation, Crisis Management, Game Theory, and Supermodular Game Theory
Political Geography:
Brazil, South America, and Bolivia

158. The Renewed Promise of Hegemony

Author:
Sean Burges and Fabricio H. Chagas-Bastos
Publication Date:
07-2026
Content Type:
Journal Article
Journal:
Revista Brasileira de Política Internacional (RBPI)
Institution:
Instituto Brasileiro de Relações Internacionais (IBRI)
Abstract:
Contemporary world order exhibits interdependence without a single state able to impose ordering principles unilaterally and without the hegemonic war often presumed to clear the slate. Scholarship conflates dominant power with the order it sponsors, so criticism of the liberal international order (LIO) is read as an attack on primacy. This article theorises hegemony, in Gramscian terms, as a relational ordering structure that fuses coercion, political economy, and ideas, and that endures through absorption and co-option of dissent. Challenges are incorporated through selective concessions and institutional redesign, diluting their transformative content while reiterating core principles. Our argument decouples power transition from order transition, moving debate beyond collapse versus persistence by advancing an analytically tractable account of adaptive endurance that shows how hegemonic orders renew themselves through the managed incorporation of critique into institutional reform.
Topic:
International Relations, Hegemony, Liberal Order, International Order, and Interdependence
Political Geography:
Global Focus

159. From fragmentation to integration: China’s “Vertical-Horizontal Model” for the protection of overseas interests

Author:
Zhiqiang Zou, Degang Sun, and Jinan Wang
Publication Date:
07-2026
Content Type:
Journal Article
Journal:
Revista Brasileira de Política Internacional (RBPI)
Institution:
Instituto Brasileiro de Relações Internacionais (IBRI)
Abstract:
Since the launch of the Belt and Road Initiative (BRI) in 2013, China’s overseas interests have been faced with a growing array of multidimensional threats. China has carried out legislative and institutional reforms, forming a “vertical-horizontal model” for interagency cooperation and government-society fusion. The central government of China has passed a series of legislative acts to legalise China’s protection of overseas interests, a top-down vertical governance. Parallel ministries, departments, and offices have formed task-based institutions through consultation to promote China’s overseas interest protection, thereby establishing a cross-sectoral horizontal governance mechanism. The implementation of the “vertical-horizontal model,” however, confronts an array of hurdles, with heavy bureaucracy potentially giving rise to problems such as inefficiency and collective irresponsibility.
Topic:
Foreign Policy, Government, Reform, Legislation, Institutions, and Vertical-Horizontal Model
Political Geography:
China and Asia

160. Ecological Federalism: Ethical Frameworks for Domestic Climate Migration

Author:
Preston Ferraiuolo and Kate Voltz
Publication Date:
06-2026
Content Type:
Policy Brief
Institution:
Liechtenstein Institute on Self-Determination, Princeton University
Abstract:
Moving from international climate migration to domestic climate migration within the United States, this brief argues that intensifying climate risks will increasingly motivate internal relocation. It develops a framework of ecological federalism that calls for institutionalized resettlement systems, support for communities to migrate together where possible, and protections for original residents in receiving communities.
Topic:
Climate Change, Migration, Resettlement, and Ecological Federalism
Political Geography:
Global Focus