In the various attempts since, members found the process to be too cumbersome and a potential threat to tribal self-determination, as the constitution was supposed to be reviewed and approved by BIA. The earliest efforts were rejected primarily because segments of the tribe did not find enough freedom in the proposed forms of government. In 1935 they feared that the proposed government would hinder development and recovery of their livestock industries; in 1953 they worried about restrictions on development of mineral resources.