what was the major factor in native american displacement
History of Native Americans in the United States In the 19th century, the incessant westward expansion of the United States incrementally compelled large numbers of Native Americans to resettle further west, often by force, almost always reluctantly. Native Americans believed this forced relocation illegal, given the Hopewell Treaty of 1785. Under President Andrew Jackson, United States Congress passed the Indian Removal Act of 1830, which authorized the President to conduct treaties to exchange Native American land east of the Mississippi River for lands west of the river.
Long Walk of the Navajo The Long Walk of the Navajo, also called the Long Walk to Bosque Redondo (Navajo: Hwéeldi), refers to the 1864 deportation and attempted ethnic cleansing[1][2] of the Navajo people by the government of the United States of America. Navajos were forced to walk from their land in what is now Arizona to eastern New Mexico. Some 53 different forced marches occurred between August 1864 and the end of 1866. Some anthropologists claim that the "collective trauma of the Long Walk...is critical to contemporary Navajos' sense of identity as a people".[3][4]