The Treasury takes care of the money for all of the U.S there the ones who print out the money.
Direct democracy is when everyone in a country votes on something. People's rights might be denied because it would be a tyrannical rule of the majority. For example, there's only 15% African-Americans in the US. If the 85% Caucasian population decided to vote something that was against the rights of the African-Americans, they wouldn't be able to oppose this because they would be a minority.
The Mongol Empire, with its peak size under the rule of Kublai Khan around the year of 1279, included parts of modern Russia in the North, modern day Korea, and modern China in the South on one end of the Asian continent. It stretched through the Asian continent all the way to modern day Hungary in Europe. It also included parts of the modern Middle East such as Iraq and Iran. The total area of the Mongol Empire in its peak was around 40 million km^2.
It is either c or a but I think it is c
