 Complete the following phrase:  Chief White Eagle c. 1825 - February 3, 1914 was a Native American politician and American civil rights leader who served as the hereditary chief of the Ponca from 1870 until 1904. His 34-year tenure as the Ponca head of state spanned the most consequential period of cultural and political change in their history, beginning with the unlawful Ponca Trail of Tears in 1877 and continuing through his successful effort to obtain justice for his people by utilizing the American media to wage a public relations campaign against the United States and President Rutherford B. Hayes. His advocacy against Americas 