Please write a 2 page research paper (700-800 words) on the following question. The main focus of the question is the United States of America.This research paper must have at least 3 citations, with at least 1 from a peer reviewed source (not Wikipedia, the encyclopedia or other online tourism or history.com sites).Q.Have there been any civil wars or revolutions in the US? What were the social, political and economic reasons for the war?