Answer: I think it's D. demand greater tribal self-government...but I am not sure let me know if I am wrong!
Representative democracy and impeachment. I don't know if what you're doing is multiple choice or not.
Not having money brought the economy down
The Kyoto Treaty does not undermine the United States sovereignty because it does not have anything to do with such. It was a treaty that asks committing State parties to reduce greenhouse gas emissions because global warming does exist and it is caused by CO2 productions done by human activities.