Question

How did the crusades change the economy of europe??

Answer 1

Europeans were introduced to new luxuries through trade as a result of the Crusades.

Answer 2

Well, the Crusades were the wars against Christians vs. Muslims, so a lot of money went down the drain in spending it on food, medicine, and weapons for the soldiers, which effected the economy quite severely negatively =(
I hope I helped though ^-^