Britain's American colonies broke with the mother country in 1776 and were recognized as the new nation of the United States of America 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. Thedeveloped in parallel with the US, its neighbor to the south across an unfortified border. Canada's paramount political problem is meeting public demands for quality two most traumatic experiences in the nation's history were the Civil War (1861-65) and the Great Depression of the 1930s. Buoyed by victories in World Wars I and II and the end of the Cold War in 1991, the US remains the world's most powerful nation state. The economy is marked by steady growth, low unemployment and inflation, and rapid advances in technology.
The site of advanced Amerindian civilizations, Mexico came under Spanish rule for three centuries before achieving independence early in the 19th century. A devaluation of the peso in late 1994 threw Mexico into economic turmoil, triggering the worst recession in over half a century. The nation continues to make an impressive recovery. Ongoing economic and social concerns include low real wages, underemployment for a large segment of the population, inequitable income distribution, and few advancement opportunities for the largely Amerindian population in the impoverished southern states. Elections held in July 2000 marked the first time since the 1910 Mexican Revolution that the opposition defeated the party in government, the Institutional Revolutionary Party (PRI). Vicente FOX of the National Action Party (PAN) was sworn in on 1 December 2000 as the first chief executive elected in free and fair elections.