what was the main difference between Japanese and European feudalism?

A. Japanese feudalism emerged out of a period of violence; European feudalism did not.
B. Japanese feudalism was influenced by religions other than Christianity.
C. European feudalism involved the exchange of land for services; Japanese feudalism did not.
D. Japanese samurai and European knights did not follow similar codes of conduct.

A. Japanese feudalism emerged out of a period of violence; European feudalism did not.