How did European Americans hope to influence Native Americans to adopt their culture?

Question

through encouraging the Bureau of Indian Affairs to provide monetary rewards to Native Americans who left reservations
through indoctrinating Native American children with European American values by educating them in boarding schools
through providing training and employment to Native Americans so that they could work factory jobs in large cities
through allowing Native Americans to participate in the Oklahoma land rush if they adopted European American culture

is it B?

Answer 1

Yes, B.