The USA

The U.S. originated from 13 colonies in British North America that declared their independence in 1776 and were recognized as the new nation following the Treaty of Paris in 1783. During the 19th and 20th centuries, 37 new states were added to the original 13 as the nation expanded across the North American continent and acquired a number of overseas possessions. Throughout its history, the nation's growth was marked by the development of constitutional democracy and civil liberties. The two most traumatic experiences in the nation's history were the Civil War (1861-65) and the Great Depression of the 1930s.
The government type in USA is constitutional. Federal court system based on English common law; each state has its own unique legal system, of which all but one (Louisiana's) is based on English common law. The economic history of the United States has its roots in the quest of European settlers for economic gain in the 16th, 17th, and 18th centuries…