"snip...Why an ancient practice [of slavery], condemned neither by the New Testament nor by Christian tradition, was recognised as unacceptable by growing numbers of men and women in the second half of the 18th century has long puzzled historians." "snip...It was not until 1833 that slavery was finally outlawed in the British empire, although that was 30 years before the United States and more than 50 before the Spanish colonies. Abolitionists were needed to the end."