Matching Pairs American IndianOnline version Match the Key Terms with the correct description. by Jefferson County ESC 1 Assimilation 2 Dawes Act 3 Wounded Knee 4 Manifest Destiny 5 Reservation This 1887 law required Native Americans to give up their "Indian" ways and adopt "American" ways. This is the gradual process by which an ethnic, racial, or religious group merges into the dominant surrounding population. This is the site in South Dakota where, in 1890, US soldiers massacred over 150 Lakota men, women, and children. An area of land where the U.S. government forced Indians to live; usually less than desirable land. The idea that the U.S. had a God-given right to expand its border westward to the Pacific Ocean.