To prove that land claimed by Portugal really belonged to Spain
Portugal
Christopher Columbus claimed land in the New World for both Spain and Portugal during his voyages.
Land claimed by Portugal actually belonged to Spain
Ferdinand Magellan claimed South America for Portugal.
Cabral claimed Portugal for Brazil on April 22, 1500.
Countries that claimed land in the Americas: Spain Portugal Great Britain France The Netherlands Denmark Germany Russia Sweden Countries that claimed land in what is now the United States of America: Great Britain Spain France Denmark The Netherlands Russia Sweden
They asked the pope(Alexander VI) and he decided that the world( the know world at the time) was to be split by an imaginary line. This line was a little bit west from the eastern tip of Brazil. Portugal got the eastern half of this line and Spain the western half.
he claimed brazil for portugal.
Portugal.
Portugal
Richard Head