Respuesta :

The land the Native Americans lived and hunted on were taken with treaties and war and they were forced to live in reservations.
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Native Americans were generally disenfrachised, lost power, and were negatively impacted by American expansionism, also known as Manifest Destiny, in this time period. 

Events such as the Trail of Tears force the removal of millions of Native Americans over time to unfamiliar land that was often not as suitable as the land they came from. They also died in large numbers due to war and disease.