They agreed Missouri could be a slave state while, Maine was admitted to be a free state.
It was caused by the sharp rise in the price of opium was seized upon by some of the Cohong trading houses and smugglers.
The main purpose of the Department of State (also known as the State Department) is "<span>c. to serve the President as an advising body on issues of foreign state relations," since this would be impossible for the President to do by himself. </span>
Well, hopefully there won't be one, that would be horrible. Hope this helps!