They used the term social contract between the people and their king, if they felt he was a bad king they had the right to impeach him (i think impeach would be the term you use for over throw can't remember.)
The US Mint is responsible for creating and managing physical coin currency. The Mint has been responsible for coining both gold and silver coins through US History.
Marco polo believed to have journeyed across Asia at the height of the Mongol Empire. Upon reaching China, Marco Polo entered the court of powerful Mongol Ruler Kublai Khan, who dispatched him on trips to help administer the realm. Marco polo remained abroad for 24 years.
C, it helped wealthy businesses more than poor farmers :)
The answer is A) I think but if not it's C)