The ones who controlled the territories would have the main political power in the congress. If the states were slave states then it would bother non-slave states in the congress, and vice versa. That's why it was necessary to create new states that weren't the former Mexican ones that would help balance out the power of the two factions.
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It’s basically helped expand the system.
So now, not only can they trade by sea, but now by land, it’s just that by land the quantity would be smaller than usual. I’m sorry if this doesn’t make sense
It was a way of introducing new ideas and new goods
The answer is C.reason that cause people to leave to leave one place and relocate to another
