<Tr> <Th> Purpose </Th> <Td> To divide trading and colonising rights for all newly discovered lands of the world located between Portugal and Castile (later applied between the Spanish Crown and Portugal) to the exclusion of other European nations </Td> </Tr> <P> The Treaty of Tordesillas (Portuguese: Tratado de Tordesilhas (tɾɐˈtaðu ðɨ tuɾðeˈziʎɐʃ), Spanish: Tratado de Tordesillas (tɾaˈtaðo ðe toɾðeˈsiʎas)), signed at Tordesillas on June 7, 1494, and authenticated at Setúbal, Portugal, divided the newly discovered lands outside Europe between the Portuguese Empire and the Crown of Castile, along a meridian 370 leagues west of the Cape Verde islands, off the west coast of Africa . This line of demarcation was about halfway between the Cape Verde islands (already Portuguese) and the islands entered by Christopher Columbus on his first voyage (claimed for Castile and León), named in the treaty as Cipangu and Antilia (Cuba and Hispaniola). </P> <P> The lands to the east would belong to Portugal and the lands to the west to Castile . The treaty was signed by Spain, 2 July 1494, and by Portugal, 5 September 1494 . The other side of the world was divided a few decades later by the Treaty of Zaragoza, signed on 22 April 1529, which specified the antimeridian to the line of demarcation specified in the Treaty of Tordesillas . Originals of both treaties are kept at the Archivo General de Indias in Spain and at the Arquivo Nacional da Torre do Tombo in Portugal . </P> <P> This treaty would be observed fairly well by Spain and Portugal, despite considerable ignorance as to the geography of the New World; however, it omitted all of the other European powers . Those countries generally ignored the treaty, particularly those that became Protestant after the Protestant Reformation . </P>

What did the 1494 treaty of tordesillas do between spain and portugal
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