Which is most valid generalization about the Crusades?

Question

a. The Crusades increased trade between Europe and Asia
b. The Crusades brought Europeans influence to Africa
c. The Crusades strengthened the power of the serfs in Europe
d. The Crusades supported the idea of religious tolerance

Answer 1

The most valid generalization about the Crusades is:

a. The Crusades increased trade between Europe and Asia.

The Crusades opened up new trade routes and increased contact between Europe and the Middle East, leading to an exchange of goods, ideas, and culture, which significantly boosted trade between these regions. The other options are less accurate in the context of the Crusades.