D . the sharecropper provided the labor
Answer:
B) the separation between the Orthodox Churches in the East and the Roman Catholic Church in the West
They offered defensive positions and safety to the people. They were also where the Lord lived and where the lord was is where the money was. Thus trade and economic prosperity happened around the castle. Many trades were needed to support the lord and his castle. The lords army had to be equipped and fed. Thus markets and tradesmen were needed to support the lord and his castle.
I think the answers are B,and D
