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Pact of San Nicolás

Argentina [1852]

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The Pact of San Nicolás, signed in May 1852, was a pivotal agreement in Argentine history. Following the overthrow of Juan Manuel de Rosas, General Justo José de Urquiza, then provisional director of the Argentine Confederation, called for a constitutional convention. This pact, signed in San Nicolás de los Arroyos, reinstated the federal agreement of 1831 and initiated the process for a new constitution.12

Buenos Aires, however, refused to participate, leading to a period of conflict. Despite Urquiza's efforts to incorporate Buenos Aires by force, the province's continued dissidence created financial challenges for the confederation. This internal struggle between centralist (Unitario) and federalist factions ultimately shaped the path toward national consolidation in Argentina.32

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