What characteristic did medieval European monasteries share with Buddhist monasteries in Asia and Muslim charitable religious foundations? a. All three required poverty, chastity, and obedience of their believers b. All three worked with local, decentralized governments for support c. All three provided a variety of social services to people in surrounding communities d. All three were constantly invaded, looted, and pillaged for their wealth
The best option would be that "a. All three required poverty, chastity, and obedience of their believers," since this was the only way to ensure that people remained loyal to the cause.