Assimilation: The process by which individuals or groups adopt new cultural practices or beliefs. For example, some Native Americans adopted aspects of Puritan culture as a result of their interactions with the colonizers.
Conversion: The act of changing one's religious beliefs or affiliations. In the context of Puritan interactions with Native Americans, conversion often referred to attempts by the Puritans to convert Native Americans to Christianity.
Treaty: A formal agreement between two or more parties that outlines terms for peaceful coexistence or cooperation. Treaties were sometimes negotiated between Puritans and Native American tribes as they sought ways to coexist in colonial America.