Answer:
A. They spurred a European desire for Asian goods
Explanation:
Actually, the Crusades contributed to the exploration by Europeans. In those travels, Crusaders became acquainted with goods (fine silk and spices). Their desire for such goods were spurred up. Actually, those goods -fine silk, precious metals and spices were not available at home. Whenever the crusades ended, they took the opportunity to develop trade routes in order to supply the products.
