Lakota Woman: Siege at Wounded Knee 1994 one on netflix

Mary Crow Dog, daughter of a desperately poor Indian family in South Dakota, is swept up in the protests of the 1960s and becomes sensitized to the injustices that society inflicts on her people. She aids the Lakota in their struggle for their rights: a struggle that culminates in an armed standoff with US government forces at the site of an 1890 massacre.