Which of the following statements does NOT describe the crusades?
a. The campaigns showed European military superiority to Muslim armies
b. One of the crusades conquered Constantinople instead of recapturing Palestine
c. The crusaders traded eagerly with Muslim merchants in the eastern Mediterranean
d. The crusaders introduced to Europe new agricultural products they learned about from the Muslims
The statement that does not describe the crusades would be that "c. The crusaders traded eagerly with Muslim merchants in the eastern Mediterranean," since there were very few diplomatic relations between these two groups during this time.