What is American history?​

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 would happen if airlines and baseball stadiums priced all seats the same instead of using variable pricing

If an atom has 35 protons in the uncles , how many elements will it have orbiting the nucleus