The Indian Removal Act of 1830 was openly justified by civilizational religious superiority.

Evidence

Thus, it was the “white man’s burden” to deculturize and civilize Native Americans. The Indian Removal Act of 1830, for example, authorized the federal government to confiscate all Indian land east of the Mississippi River and forcibly evacuate Native American residents. President Andrew Jackson justified displacing Indians by pointing to the superiority of Anglo- American “liberty, civilization, and religion” over the barbarous ways of the Native Americans. — Sahar F. Aziz, The Racial Muslim, 208