Christopher Columbus was exploring because he was certain that he could find a shorter route to India. People of his time would normally sailed south all the way around the land masses of western Europe--past Africa--around the southernmost tip back up north-easterly to India as they believed the Earth was flat.
'Diego Columbus and Hernando Columbus
yes
yes
genoa Italy
Because he is smart.
He discovered America.
by killing them
beats me
Chistopher Columbus discovered
christopher Columbus went on 4 voyages
Chistopher Columbus took 4 trips
That would be the fifteenth century.