Much like many other countries, the US foreign policy was based in isolationism which resulted in new restrictions on immigration and a lack of membership in international organizations. There isn't a good explanation as to why it was isolationist in the first place besides the fact most countries were at that time so it made it easier for the US to do the same.
Society is a long standing group of people sharing cultural aspect such we language, dress while civilization is an organized culture encompassing many communities
The fact that Japan is an island and has a large body of water in between them and the main land.
-It was mainly based on slave
-Kings were very rich and commoners usually didn't have a sustainable home
