The Cherokee people would be a nation because they are a group of people who are led.
The United States often makes aid decisions, both military and humanitarian, using the prism of our "strategic advantage."
So, if it would be advantageous to please a military dictator, either because of port access or drilling rights or the use of a base for refueling, it is likely that the aid will be used as an inducement to allow the United States to do those things.
I think you mean Turkish and they come from Turkey.