Which was a reason that rice-farming helped promote the spread of slavery? It required large numbers of workers laboring in hot, humid, unhealthy conditions. It produced enormous profits for planters

Which was a reason that rice-farming helped promote the spread of slavery?

It required large numbers of workers laboring in hot, humid, unhealthy conditions.

It produced enormous profits for planters that allowed them to purchase slaves.

It produced a good harvest but little profit, so labor needed to be very cheap.

It required skills that African slaves from Barbados had already learned.