How does this image explain the rise of “King Cotton”?

A.
It shows that the new technology made it possible to grow cotton in places outside the South.

B.
It shows that the demand for cotton in the industrialized North was very high.

C.
It shows that cotton became far more lucrative once the machine made it far less labor intensive to process it.

D.
It shows that the simplicity of the gin meant small-scale Southern farmers could now become large plantation owners.

C. It shows that cotton became far more lucrative once the machine made it far less labor intensive to process it.