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This work studies the development of bilateral relations in two pairs of states (dyads): Argentina-Brazil and Argentina-Chile. It takes on a moderate constructivist approach that incorporates into the analysis of international relations the role of identities, ideas and perceptions as well as of material forces, and understands that the former are affected and changed during interaction. It also uses to securitization theory to explain how issues come or cease to be considered security matters through social constructions.

Provides press guidance for announcing Brazil's ratification of the quadripartite safeguards agreement, which promotes nuclear safeguarding and nonproliferation.

Reports on planned agreement between Argentina and Brazil to promote missile nonproliferation using Missile Technology Control Regime guidelines.

Forwards draft of official Argentinean policy statement on the export of technology related to nuclear and other weapons of mass destruction, and requests comment.

Provides history of Argentina's Condor II Missile Program, including its transition from a military program to a civilian-run space program, and examines the program's influences on diplomatic and military relations between Argentina and the U.S.

Examines history of Brazilian nuclear program and reports Brazil is investigating technologies for uranium enrichment and nuclear fuel reprocessing; expresses concerns about possible nuclear weapons development and lack of safeguard enforcement in the program's future.

Abstract The Brazilian-Argentine Agency for Accounting and Control of Nuclear Materials (ABACC) was established in 1991. It marked the culmination of a rapprochement process that began in the 1980s, as two former adversaries transitioned into cooperative partners. This article explores the rapprochement process between Brazil and Argentina in the nuclear field, leading to the creation of ABACC. It examines two key periods: the adversarial relations between 1967-1982, when most verification proposals originated from extra-regional actors or epistemic communities, and the 1982-1992 rapprochement era, when discussions on verification gained traction domestically in both countries, particularly after their return to democracy. This article classifies these proposals into three models: (1) ad hoc inspections, (2) regional verification, and (3) bilateral verification.

Examines bilateral agreement between Argentina and Brazil to institute nuclear safeguards recommended by the International Atomic Energy Agency and to eventually ratify the Tlatelolco Treaty, which \"could lead to renunciation of weapons of mass destruction\" by the two countries.

The Brazilian-Paraguayan hydroelectric of Itaipu is considered an important milestone in the relations between Brazil and Paraguay, as it has created a permanent bond between the two countries. Nowadays, Itaipu is still one of the most important generators of electric energy in the world, being responsible for over 25 percent of the energy generated in Brazil and about 95 percent of the electricity consumed in Paraguay. The various consequences of the construction of Itaipu, in particular the changes occurred in the power balance structure in Cone Sul are phenomena that have been largely studied, and there is a multiplicity of interpretations on the theme. This paper aims to provide an overview of the relevant literature on Itaipu.

A partir das novas políticas econômicas implementadas pelo ministro Cavallo na Argentina, o presente artigo busca analisar as relações bilaterais entre Brasil e Argentina, principalmente no âmbito econômico.