Attempts have been made at Latin American regional integration since the late 1950s, but on each occasion, high expectations have met with disappointing failures. In July 1986, however, a new phase began in the history of Latin American integration as Presidents Raúl Alfonsín of Argentina and José Sarney of Brazil signed the Argentina-Brazil Economic Integration Pact (ABEIP).
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Luigi Manzetti (1990) studied this question.
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