What are two reasons why people supported the removal of native Americans from their tribal lands

The Indian Removal Act of 1830 was unfolded was during a time of contradictions. While it was a period of expanding democratic institutions, it also pointed to the obvious limitations of that democracy. States largely abolished property restrictions on voting and as the Western frontier was being expanded, it meant more opportunities for settlement for whites. However, the Western land of promise spelled disaster for the Native peoples who lived with the whites. No one better understood the contradictions of this age of democracy than the Cherokees, who adopted many of the white institutions only to suffer from the tyranny of the majority and were forced to the West against their will.

Explanation:

what are the choices?