Which of the following was an effect of the Crusades?

A.
People became more isolated in their home regions.

B.
Christianity was limited to European countries.

C.
Muslim advances in science and medicine spread to Europe.

D.
Trade declined because people feared violence..

C. Muslim advances in science and medicine spread to Europe.

The correct answer is:

C. Muslim advances in science and medicine spread to Europe.

The Crusades, which were a series of religious wars fought between Christians and Muslims during the Middle Ages, had several effects. One notable effect was the spread of knowledge and ideas from the Islamic world to Europe. As Crusaders traveled to the Middle East, they encountered new cultures, ideas, and advancements in various fields, including science and medicine. This exposure to Islamic civilizations played a significant role in influencing European knowledge and helped facilitate the transfer of scientific and medical knowledge from the Muslim world to Europe.