Question: the treaty that formally divided the world between spain and portugal
Answer: The Treaty of Tordesillas ( Portuguese : Tratado de Tordesilhas ( tɾɐˈtaðu ðɨ toɾðeˈziʎɐʃ ) , 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 .