Treaty: A formal agreement or contract between two parties (such as a Native American tribe and European colonizers) that outlines terms for peace, trade, or land ownership.
Colonialism: The policy or practice of establishing control over foreign territories by European powers during the Age of Exploration.
Assimilation: The process where one culture adopts the customs, language, and traditions of another culture. In the context of Indian relations, it often refers to Native Americans adopting elements of European culture under pressure from colonization efforts.