Prior to Setting Sail on His First Voyage, Columbus

Prior to setting sail on his first voyage, Columbus

A) was given titles of authority by the Spanish monarchs, which enhanced his power.
B) had offers of financial support from several European countries, but chose Spain because it agreed to finance his entire voyage.
C) had little experience traveling the Atlantic Ocean, since most of his voyages had been confined to the Mediterranean Sea.
D) relied more on the stars for navigation than on geography, books or maps.