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| Argentina–Brazil relations | |
|---|---|
| Country2 | Brazil |
| Envoys | Embassy of Argentina, Brasília; Embassy of Brazil, Buenos Aires |
| Established | 1828 |
| Treaties | Treaty of Asunción; Mercosur; Iguaçu Treaty |
Argentina–Brazil relations are the bilateral interactions between the Argentine Republic and the Federative Republic of Brazil, two major states in South America whose histories intersect through diplomacy, commerce, territorial disputes and cultural exchange. Relations have evolved from 19th‑century rivalry involving the Cisplatine War, Paraguayan War and the War of the Triple Alliance to 20th‑ and 21st‑century strategic partnership shaped by institutions such as Mercosur, the Southern Cone framework and summit diplomacy among leaders like Juan Perón, Getúlio Vargas, Néstor Kirchner, Cristina Fernández de Kirchner, Luiz Inácio Lula da Silva and Jair Bolsonaro.
The 19th century witnessed conflict and boundary settlement involving figures and events such as Dom Pedro I of Brazil, the United Provinces of the Río de la Plata, the Cisplatine Province dispute and later the Paraguayan War where Argentina and Brazil fought alongside the Oriental Republic of Uruguay against Paraguay. Late‑19th and early‑20th century nation‑building engaged leaders like Hipólito Yrigoyen and Getúlio Vargas in diplomacy over navigation of the Río de la Plata and the demarcation of the Iguazú Falls frontier. The interwar and Cold War eras brought bilateral tensions and cooperation mediated by organizations including the Organization of American States and summitry at venues such as Buenos Aires and Brasília.
Diplomatic institutionalization featured the exchange of ambassadors and the opening of missions including the Embassy of Argentina, Brasília and Embassy of Brazil, Buenos Aires, high‑level visits by presidents like Raúl Alfonsín, Carlos Menem, Fernando Henrique Cardoso, Mauricio Macri and recent summits attended by Nicolás Maduro‑era regional interlocutors. Bilateral treaties such as the Iguaçu Treaty and agreements within Mercosur created frameworks for dispute settlement and collaboration on issues managed by courts like the Mercosur Tribunal of Justice and forums including the Union of South American Nations where leaders pursue coordination on trade, migration and political crises such as the 2001 Argentine economic crisis and regional responses to the Venezuelan crisis.
Argentina and Brazil are principal partners in Mercosur along with Paraguay and Uruguay, conducting trade in manufactured goods, agricultural commodities and energy with major cross‑border flows through ports such as Port of Buenos Aires and Port of Santos. Industrial integration ties involve companies like Petrobras, Yacimientos Petrolíferos Fiscales (YPF), Embraer, Fiat Automóveis and automotive value chains spanning production nodes in São Paulo (state), Buenos Aires Province and Rosario, Santa Fe. Bilateral investment and currency arrangements interact with institutions such as the Central Bank of Argentina, the Central Bank of Brazil and episodes including the 1990s Argentine convertibility plan and the Brazilian Plano Real which have influenced competitiveness, balance‑of‑payments and negotiations over tariffs within the World Trade Organization framework.
Security cooperation encompasses joint patrols, arms control dialogues, defense industrial collaboration and peacekeeping contributions to the United Nations. The militaries—Argentine Army, Brazilian Army, Brazilian Air Force, Argentine Navy—have engaged in joint exercises, cooperation on border security along the Iguazú River and counter‑narcotics operations coordinated with agencies such as the Inter-American Development Bank and United Nations Office on Drugs and Crime. Defense procurement and technology partnerships involve firms and programs linked to Embraer and aeronautical cooperation with training at institutions like the Escola de Comando e Estado‑Maior do Exército and Argentina’s Escuela Superior de Guerra.
Bilateral projects include hydroelectric ventures such as the Itaipu Dam (shared with Paraguay), grid interconnection initiatives, and cooperation on hydrocarbons involving Petrobras and YPF. Environmental and conservation collaboration addresses biodiversity hotspots like the Iguazú National Park and the Atlantic Forest (Mata Atlântica) through bilateral working groups and links to multilateral instruments such as the Convention on Biological Diversity. Infrastructure corridors and transport projects feature trans‑Andean and Mercosur connectivity plans, ports modernization at Port of Rosario and Port of Montevideo linkages impacting logistics between Buenos Aires and São Paulo (city).
Cultural ties span literature, music, sports and migration: shared cultural figures include writers and intellectuals whose works circulate between Buenos Aires and Rio de Janeiro, while football rivalries and cooperation involve clubs, national teams like Argentina national football team and Brazil national football team and tournaments hosted in venues such as Maracanã Stadium and Estadio Monumental Antonio Vespucio Liberti. Academic exchanges connect universities like the University of Buenos Aires and University of São Paulo while migration flows have produced Argentine and Brazilian diasporas in cities including São Paulo (city), Buenos Aires and Porto Alegre influencing cuisine, theatre and film circuits showcased at festivals such as the Mar del Plata International Film Festival and Festival do Rio.
Regional integration is advanced through frameworks such as Mercosur, the Union of South American Nations, the Community of Latin American and Caribbean States and coordination within the G20 where both states pursue convergent interests on trade, climate finance and global governance. Joint engagement in responses to crises—coordination at UNASUR ministerial meetings, participation in Peacekeeping operations, and negotiations within the World Trade Organization—reflects a long‑standing bilateral priority of shaping South American institutional architecture and projecting influence in hemispheric diplomacy.
Category:Foreign relations of Argentina Category:Foreign relations of Brazil