Hello, i am doing a project based on child immigration and i need . what would be some policies/laws that could be changed in order to benefit those kids whose parents are immigrants

Why did the medicine lodge creek treaty fail to bring peace to west texas? a. native americans protested the sale of weapons on reservations. b. supporters of the treaty face discrimination in their own communities. c. the united states government and native americans both refused to fully carry it out. d. the united states government prevented its military from entering reservations.