Spain’s explorations were driven by the desire to expand its knowledge of the world, to discover spices and riches and to expand Christianity. In 1492, when Christopher Columbus, sailing for Spain, took a westerly course across the Atlantic Ocean searching for an alternative route to the Indies, he inadvertently “discovered” a new continent. Hispanic Exploration in America, Library of Congress
Based on the text, how did the economic needs of European nations such as Spain affect exploration?

A.
They caused changes in government systems.

B.
They caused knowledge of agriculture to expand.

C.
They caused changes in religious views of science.

D.
They caused countries to seek new resources and trade.