In 1798, the slaveship 'Lottery' made a profit of £12,000.
In the 1790s, 120-130 slaveships sailed from Liverpool annually.
In 1766, estimated that 40 MPs had financial backing from slave trade.
Average Bristolian owed 40% of their wealth to slavery.
Church of England owned a slave plantation in the West Indies.
Signs that slavery was inefficient: 1/10 slaveships lost profit, 1778 saw Liverpool merchants lose £700K.
1789 = Wilberforce campaigns against slavery, abolitionism gains popularity as a patriotic idea because Napoleon reinstates slavery.