From the late 1800s to the early 1970s, Natives were forced into boarding schools, where they were violently punished if they practiced traditional ways or spoke their native language, most of which were orally passed down.
Desde os finais de 1800 até ao início da década de 1970, os nativos americanos eram obrigados a frequentar colégios internos, onde eram violentamente castigados se praticassem os modos tradicionais ou falassem na sua língua nativa, grande parte da qual era passada oralmente.