This was a very popular question.  Although many derailed, a good
number were able to give relevant points and were rewarded with high
marks.  They were able to explain the following points among others;

1. the British Parliament abolished the slave trade in 1807 and made it illegal;
2. the British press exposed the evils of the trade;
3. many slave ships were captured and liberated slaves sent back to Sierra Leone and The Gambia;
4. the British paid compensations, and made treaties with participating nations to solicit their co-operation;