What Was the Purpose of the Dawes Severalty Act

What was the purpose of the Dawes Severalty Act?

A) It was designed to sever ties the Native Americans had with Canada due to poor relations between the American and Canadian governments.
B) It gave each Native American tribe up to 520 acres of land and provided a quota that it needed to meet in terms of agricultural production.
C) It declared the actions undertaken by the Ku Klux Klan illegal and forced the organization to dissolve.
D) It sought to "Americanize" Indians by forcing them to become self-reliant farmers that individually owned their own land.
E) It granted Native Americans U.S. citizenship and specified other civil rights that they would be guaranteed.