The answer is farmers, because if you think about it, it kinda sounds like an agricultural term. I promise that I know the answer, and if I'm wrong, then you can sue me. I have a 100% in Advanced Social Studies.
People agree to social contracts because they establish governments which in turn establish a sense of order and security. It establishes a set of rules which makes people more comfortable when they have some to follow.
Answer:
North:
*Fishing and Whaling Industry
*Factories Producing Canned Goods
*Rich Deposits of Iron Ore
South:
*Large Plantations with Many Enslaved People
*Cotton Grown as the Main Crop
Explanation:
I majored in History