Forty-six years.That’s how long William Wilberforce labored to see the end of slavery in the British Empire. His work began in earnest in 1787 when he first came into contact with abolitionists such as Thomas Clarkson, Hannah More and Charles Middleton. These activists found a kindred spirit in Wilberforce, whose conversion to the Christian faith had given birth to an abiding concern for social reform—so much so, in fact, that he wrote in his diary, “God Almighty has set before me two great objects, the suppression of the slave trade and the reformation of manners.â€The dark and dehumanizing practice of slavery weighed heavy on him. He first...