Legislative branch is the branch that defended the native Americans their is also the bureau of Indian affairs
Push factors were ; few jobs, overpopulation, war, natural disasters. Pull factors were ; jobs, safety, better quality of life
Judicial
I hope this helps ( the only Eason i said “i hope this helps is cus it needs to be at lest 20 letters long)
D. Karl Barth, I don't really know so check if needed.