"In 1807, the British government passed an Act of Parliament abolishing the slave trade throughout the British Empire. Slavery itself would persist in the British colonies until its final abolition in 1838. "
"The Act of Parliament to abolish the British slave trade, passed on 25 March 1807, was the culmination of one of the first and most successful public campaigns in history."
Depending on what's on your Quiz It can be Great Britain, Uk, or England.