Unfortunately, contact with Europeans led to a decrease in the Indian population due to lack of immunity to [[disease]], intermarriage, [[slavery]], and [[Wounded Knee Massacre|massacre]]. Native populations have been estimated to range from 8 to 18 million before contact. Since 1492, this population was estimated to have fallen by 95% before stabilizing and then reversing direction.<ref> Thornton, Russell. 1987. Aboriginal North American Population and Rates of Decline, ca. 1500-1900 CE. Current Anthropology 38(2):310 -315.</ref> | Unfortunately, contact with Europeans led to a decrease in the Indian population due to lack of immunity to [[disease]], intermarriage, [[slavery]], and [[Wounded Knee Massacre|massacre]]. Native populations have been estimated to range from 8 to 18 million before contact. Since 1492, this population was estimated to have fallen by 95% before stabilizing and then reversing direction.<ref> Thornton, Russell. 1987. Aboriginal North American Population and Rates of Decline, ca. 1500-1900 CE. Current Anthropology 38(2):310 -315.</ref> |