Ferdinand and Isabella's Decision to Sponsor Columbus's Voyage Was Spurred

Multiple Choice

Ferdinand and Isabella's decision to sponsor Columbus's voyage was spurred by:

A) Columbus's impassioned plea for a patron made to the royal court.
B) a desire to counter successful Portuguese exploratory and commercial ventures.
C) a desire to counter successful English exploratory and commercial ventures.
D) a belief that Columbus could prove the world was round.
E) a belief that there was unknown territory to be discovered across the Atlantic.