Quote Originally Posted by Jandor View Post
Slavery not making as much money will have eaten away at the power of those standing in the way of abolishing slavery, but it doesn't make much sense as a motivating factor in and of itself. It's not like the actual business of ending it was free.
Slave revolts being another factor, the risk were simply getting too big to try and maintain it. It's not as the British people suddenly grew a heart but that does make for good PR.