What Does Sovereignty Mean for These Tribes?

What does sovereignty mean for these tribes, and to what extent do they even continue to possess it? And how does that work when you have this new state that sort of just has, has claimed control here? The thing with federal indian policy, m is that it's sort of self prophesizing. So as settlers are moving across america, m, the united states government also has to create these policies m in order to legalize these land cessations and movements.