Plz someone ! tell me y this is wrong and wht the real answer is suposed to be! i clicked the answer b. btw

Answer asap! what was one 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.european feudalism involved the exchange of land for services; c)japanese feudalism did not.d)japanese samurai and european knights did not follow similar codes of conduct.

What are three voluntary behaviors that is not control by results?

What nitrogenous bases are found in rna