Cotton was popular item back then and it was all about supply and demand. There wasnt enough cotton to supply everyone and so the cotton price rose.
The south had more problems because they were the ones with slaves and after the Civil War, they had no people to work for them.
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When you jump up, and your legs are using force to get off of the ground.The ground gives an equal and opposite reaction force that propels you into the air. Everything that goes up on Earth MUST come down.
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A continental divide is a boundary that separates a continent's river systems. Each river system feeds into a distinct ocean, bay, or sea. A continental divide is a naturally occurring boundary or ridge separating a continent's river systems this helps a lot with with each river system.