Answer:
George Washington's belief that Native Americans should assimilate into white European/American culture was based on his belief that it would prevent future conflicts and wars. He saw the cultural differences between Native Americans and the colonists as a major source of tension and conflict, particularly over land.
Washington believed that if Native Americans adopted European/American culture and customs, they would become more like the colonists and would be more likely to peacefully coexist with them. He also believed that assimilation would help Native Americans become more prosperous and successful in the white-dominated society.
However, Washington's vision of assimilation was overly optimistic and failed to take into account the deeply ingrained cultural and historical differences between Native American and European/American societies. Many Native American tribes resisted assimilation and saw it as a threat to their identity and way of life. Additionally, the colonists' desire for land and resources often trumped any desire for peaceful coexistence, leading to continued conflicts and displacement of Native American communities.
Overall, Washington's policy of assimilation was well-intentioned but ultimately unrealistic and failed to address the underlying issues of cultural differences and the colonists' expansionist goals.