Answer:
The khan was the ruler of the Mongolian Empire. That's why the rulers of Mongolia all had khan after their name (Genghis Khan, Kublai Khan etc.). A farmer would've been a "fyermyer", a priest would've been a "tackhilch" and a soldier would've been a "tsereg". The actually way to say king would've been "khaan" (pronounced xan) not khan.
The Electoral college, consists of about 538 electors and it's also not a place it's a process. It's a constitution between election of the president votes.
Free trade agreements
The goal of both NAFTA and the EU is to create free trade between the countries of their given continent.
Free trade means no tariffs on imported goods and the ability of corporations to move their products from country to country with no penalty. For NAFTA, Canada, the US, and Mexico can freely trade across the borders and tariffs will not be imposed under the treaty.