In 1882, Congress passed the first federal law to restrict the immigration of free people based on race and class. The immigrants this legislation targeted were from

the government paid religious orders to provide basic education to native american children on reservations. in the late 19th and early 20th centuries, the bureau of indian affairs (bia) founded additional boarding schools based on the assimilation model of the off-reservation carlisle indian industrial school.

missouri compromise of 1820 which prohibited slavery