Political map of South American nations on 15 Aug 1914 (Border disputes and the Powers: Opening of the Panama Canal), showing the following events: Treaty of Rio de Janeiro; Polo-Bustamante Treaty; US intervention in Nicaragua; Outbreak of Mexican Revolution; Revolt of the Lash; US protectorate over Honduras; La Pedrera conflict; Amazon rubber boom ends; US occupation of Nicaragua; Contestado War; Outbreak of World War I; Battle of Trindade; Panama Canal opens.
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