Question

Why was slave labor not as important to the North as it was to the South?

There was a lack of African Americans living in the North.
There were already enough slaves in the North.
The South had a monopoly over slave trade.
The climate did not lend itself to making slave labor profitable.

Answer 1

the answer is D. The climate did not lend itself to making slave labor profitable.

Trust me, this is the answer!! :)