C. They banned Chinese people from serving in government .
The correct answer is c.to free all slaves living in states in rebellion against the union
The Emancipation Proclamation freed all slaves that were residing in areas that were rebelling against the government. With the proclamation, the aim of the war changed to include freeing slaves
in addition to the preservation of the union
China, with most decision making power concentrated into a few members of the communist party is best described as a Oligarchy. This is the form of governance where most decision making powers lies with a powerful few and the others have to agree and obey the decision made. I hope the answer helps you.