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.

D.

Explanation:

The age of exploration was a period in history when many European countries such as Spain, England, and the Netherlands set out to explore the world through sea routes. In this expedition, they also discovered new countries and continents.

These explorations were driven by political, economic, and religious needs. Spain's exploration was driven by economic needs. This caused other countries to seek new resources and trade.

Textual evidence:

"Spain’s explorations were driven by the desire to expand its knowledge of the world, to discover spices and riches ..."

Therefore, option D is correct.

b - those executed came from every social and economic class

the answer is b: an economic crisis throughout the country.