… and political activist for Native Americans’ right to United States … considered the first known American Indian opera. Premiering in … her successful activism for Native American rights. Behind her, … regalia is steeped in Native American symbolism and meaning. …… and political activist for Native Americans’ right to United States … considered the first known American Indian opera. Premiering in … her successful activism for Native American rights. Behind her, … regalia is steeped in Native American symbolism and meaning. …