Slavery in Britain His conversion to Evangelical Christianity in 1784 played a key role in interesting him in this social reform. William Wilberforce's Slave Trade Act 1807 abolished the slave trade in the British Empire. It was not until the Slavery Abolition Act 1833 that the institution finally was abolished, but on a gradual basis. Since land owners in the British West Indies were losing their unpaid labourers, they received compensation totaling £20 million. The Royal Navy established the West Africa Squadron (or Preventative Squadron) at substantial expense in 1808 after Parliament passed the Slave Trade Act of 1807. The squadron's task was
Abolitionism in the United Kingdom ships. Action was also taken against African leaders who refused to agree to British treaties to outlaw the trade, for example, in 1851 it deposed “the usurping King of Lagos”. Britain signed anti-slavery treaties with more than 50 African rulers. After the 1807 Act, slaves could still be held, though not sold, within the British Empire. In the 1820s, the abolitionist movement may have revived the campaign against the institution of slavery. In 1823 the first Anti-Slavery Society was founded in Britain. The Society's members consisted of a union of non-conformist churches and many had previously campaigned against the slave