Final answer:
Whites who advocated for better treatment of Indians in the West believed that Indians should be assimilated into White culture.
The answer is option ⇒3.
Step-by-step explanation:
This belief was based on the idea that Native Americans should adopt the beliefs, way of life, and customs of the dominant White culture, in an effort to integrate them into American society..
Efforts to assimilate Native Americans included promoting individual land ownership, Christian worship, and education for Native American children.The Whites who advocated for better treatment of Indians in the West believed that Indians should be assimilated into White culture.
The answer is option ⇒3.