The main issues that were compromised on in the Constitutional Convention were:
The Great Compromise, creating a bicameral Congress
The 3/5ths Compromise, making slaves count as 3/5ths of a person
Commerce Compromise, mandating that tariffs were only to be allowed on imports from foreign countries and not exports from the U.S., and that interstate commerce would be regulated by the federal government.
Compromise on Trade of Enslaved People, when Northern states agreed to wait until 1808 before Congress would be able to ban the trade of enslaved people in the U.S.
The Electoral College compromise, when the two sides debating at the convention compromised with the creation of the Electoral College, which is made up of electors roughly proportional to population.
An advantage in a traditional economy people only have one job. This makes it easier to know what you'll do. A disadvantage would be that there isn't much room for advancements. There most likely won't be new inventions or discoveries.
They realized that on these islands the climate was just right to grow something they could make a ton of money on. The climate for growing sugar cane isn't a climate you come around normally making this a pretty big deal.
