Did The sand creek massacre of 1864 and the battle at wounded knee in 1890 are examples of what us policy towards native Americans?

The Sand Creek Massacre of 1864 and the Battle of Wounded Knee in 1890 exemplify the U.S. government's violent and oppressive policies towards Native Americans during the westward expansion. Both events reflect a broader pattern of systemic displacement, violence, and attempts to suppress Indigenous cultures and resistance. These incidents highlight the tragic consequences of American expansionism and the disregard for Native American rights and lives. Overall, they underscore a legacy of conflict and injustice in U.S.-Native American relations.