The act created confusion over Native American rights. The stipulation that Native Americans were to retain both tribal membership and property rights led future Government officials to believe that Native Americans were not full American citizens, and therefore not entitled to all of their rights.
Indian Citizenship Act 1924
The Indian Citizenship Act extended citizenship to the approximately 125,000 Native Americans who were still not recognized as American citizens in 1924.
National Archives, General Records of the U.S. Government