Assimilation: The process in which individuals or groups adopt the culture, language, and customs of another group. (e.g., Native American children being forced to attend boarding schools and abandon their native languages)
Land ownership: The concept of owning land and having legal rights over it. (e.g., Euro-Americans claiming ownership over Native American lands through treaties or force)
Trade relations: Economic interactions between different groups involving the exchange of goods or services. (e.g., Native Americans trading furs with Euro-Americans for weapons or tools)