Complex sentence: This leads him to become highly unpopular in the House of Commons amongst the MPs representing vested interests of the slave trade in London, Bristol, Glasgow, and Liverpool led by Banastre Tarleton and the Duke of Clarence.
Split into simpler sentences: This leads him to become highly unpopular in the House of Commons. He is opposed by a coalition of MPs representing vested interests of the slave trade in London, Bristol, Glasgow, and Liverpool led by Banastre Tarleton and the Duke of Clarence.