The origin of America? Why are there both blacks and whites in America?

The United States (United States of America) is a federal constitutional state, consisting of Washington, D.C., 50 states, Guam and many other overseas territories. The United States was first inhabited by Indians, and Spain, the Netherlands, France and Britain immigrated here one after another. After the outbreak of the war of independence, the United States established a federal state, which is the origin of the United States.

Black Americans are basically from West Africa. /kloc-from the 6th century to the 9th century, ring the atlantic's colonial traffickers provided people from the African continent as cheap labor to the colonial areas of the American continent. White Americans are immigrants from Spain, the Netherlands, Britain and other countries, all living in the United States.