How Did Magellan's Circumnavigation of the Globe Affect Spanish Colonization

How did Magellan's circumnavigation of the globe affect Spanish colonization?

A) The possibility of Asian trade led the Spanish to focus on developing its western colonies in the Americas so that it would be easy to travel on to Asia.
B) The great distance of the Pacific convinced the Spanish to abandon efforts to trade in Asia and develop their American colonies instead.
C) The difficult waters of the Straights of Magellan led Spain to focus on developing its colonies in the eastern parts of the Americas.
D) The greater wealth in Asian trade led the Spanish to give little attention to the Americas until after Asian trade collapsed in the 1580s.