Bury the Chains

Bury the Chains: Prophets & Rebels in the Fight to Free an Empire's Slaves by Adam Hochschild, Mariner Books, Reprint, 2006.

The movement to abolish slavery was started by the Quaker Sect (Society of Friends) of  Great Britain. When Parliament signed onto this agenda, it used the Royal Navy to enforce the abolition of the slave trade. Not only the slave trade to British colonies, but also the slave trade to all European colonies.