How did the Crusades help contribute to the decline of feudalism?


A.They increased trade with the Middle East, and at the same time saw more people resettle in prosperous cities, or leave the countryside.

BThey allowed the Ottoman Turks to invade Europe and destroy the feudal system.

CThey ended up costing so much money that lords could no longer afford to pay for their manors and had to sell them.

DThey destroyed the power of kings, meaning the feudal system broke down.