What was the effect of the invention of the cotton gin on the united states in the first half of the nineteenth century? a b c or d plato

- "made the south's economy grow rapidly and a small effect that a lot of people don't know is that it made the more demand of slaves and cotton products. and also new states formed due to plantations growing in size."

< 3

i think its either b or c

explanation:

the answer is a) the proclamation of 1763.