As early as 1761, British Friends had declared “that the slave trade is a practice repugnant to our Christian profession.” William Dillwyn helped to set up an anti-slavery committee in London in 1787. All but three of the members were Quakers.
The work of the Anti-Slavery Movement continued beyond the ending of the English slave trade in 1807. Slavery still existed in other countries. The movement actually grew substantially after the passing of the Emancipation Act which came into force in 1834. The focus of the movement was on ending slavery in America. This was eventually achieved in 1865
Quakers were the driving force of the anti-slavery movement in the very early days. After the ending of the English slave trade in 1807, the focus shifted to remedying the evil effects that slavery had produced. To this end, a group of Quakers, including William Allen and Luke Howard, formed the African Institution. Recognising that slavery had destroyed the whole basis of African society, the Institution sought to improve the lives of African people both with Christianity and education. The African Institution also campaigned for the abolition of the slave trade in other countries and pressed for legitimate trade with Africa as well as strict reinforcement of the law against the English slave trade. The Institution survived until 1827.