America and Indian race

Various origins have been assigned to the Indian race.Why are Indians sometimes referred to as Native Americans?The preferred term is American Indian.How does one trace Indian ancestry and become a member of a tribe?Facts about American Indians today.American Indian Languages.Spoken at Home by American Indian Persons 5 Years and Over in Households: 1990.Many Native Americans left their villages and joined the nomads.In this lack of solidarity is the secret of Indian military weakness.In the Northwest, Native American cultures lived in a shelter known as the plank house.