I think that the best answer is the geographic location: many other countries (Sweden for example) have tried being neutral at different times but did not manage to: but the fact that the US has only two boundaries, and that both other countries also have a history of fighting from independence from a European power, makes it possible that unless US decideds to get involved in international politics, it can be "left alone".
Answer:
They didnt have a system of writing.
Explanation:
Farm life as more behind in technology while cities were more fast-paced, had more jobs and used more technology.
Answer:
Trying to give control over certain issues from the federal government back to state and local government
Explanation:
