The primary concern was related to the number of congressmen from free and slave states. If Missouri was admitted into the Union as a slave state, the congress would have more Southerners than Northerners in the congress which would be bad for slaves everywhere. Northerners therefore asked that if Missouri enters as a slave state, Maine has to be separated and enter as a free state.<span />
Pickling - Pickling in a salt brine was the standard method of preserving meats and fish. Gelatine - Jelly or gelatine was used for preserving cooked meat or fresh fish.
If i had to choose out of these it would be B
although most of the reason they did that is because they came by boat and where too poor to move inward. Not necessarily because they liked living there.
The Caspian Sea is northeast of the Red Sea.
Authoritarian governments could hold elections and they may have contact with their citizens, but citizens do not have any voice in how they are being ruled.