History of South America the European theatre; however, several countries had skirmishes with German U-Boats and cruisers in the Caribbean and South Atlantic. Mexico sent a fighter squadron of 300 volunteers to the Pacific, the "Escuadrón 201" were known as the Aztec Eagles ("Aguilas Aztecas"). The Brazilian active participation on the battle field in Europe was divined after the Casablanca Conference. The President of the U.S., Franklin D. Roosevelt on his way back from Morocco met the President of Brazil, Getulio Vargas, in Natal, Rio Grande do Norte, this meeting is known as the Potenji River Conference, and defined the creation of the Brazilian
Brazilian Revolution of 1930 position against the 17 states to elect Júlio Prestes as President. Minas Gerais, Rio Grande do Sul, and Paraíba joined the political opposition from several states, including the Democratic Party of São Paulo, to oppose the candidacy of Júlio Prestes, forming the Liberal Alliance in August 1929. On September 20 of the same year, the Liberal Alliance launched their candidates for the presidential elections: Getulio Vargas as candidate for President and João Pessoa Cavalcanti de Albuquerque as candidate for Vice President. Intellectuals supported the Liberal Alliance, such as José Américo de Almeida and Lindolfo Collor, members of the urban middle