Not much, really. The slaves didn't make the major good. And the plantations didn't even add up to 5% of the total profit in Britain's economy.
Answer:The use or disuse theory explains that the parts of an organism that the organism uses most will undergo hypertrophy and will become more developed.So by this idea, the more an organism uses a part of its body, the larger and more developed that part will become.
Explanation: