Answer:
I think it is Separation of powers.
Explanation:
The U.S Constitution is separation of powers and it divides the government. Popular sovereignty is based off, the will of the people. Democratic people have the rights just like in sovereignty.
I would think the author is speaking about an political event in which people vote.
Answer: A. Americans were being held hostage by terrorists in Iran.
America's victory at Yorktown helped the Continental Army remove all British barracks from New Jersey. This was the final battle during the American Revolution. The Americans won with the help of the French.