Question

What do tobacco, cotton, and rice have in common?

They were all cash crops.
They were all subsistence crops.
They were all grown on small farms.
They were all grown in New England.

Answer 1

They were cash crops, cash crops consisted of things like wheat, corn, tobacco, rice, (your options) and the list goes on(: basically it was what you grew to sell.

Answer 2

so they are all cash vrops