 A massive slave revolt centred on his estates was brutally crushed by the military.The extent of his ownership of slaves was such that after slavery was abolished in 1833, he received the largest of all compensation payments made by the Slave Compensation Commission.After the passage of the Slavery Abolition Act 1833, Gladstone expelled most African workers from his estates and imported large numbers of indebted Indian indentured-servants, through false promises of providing them schools and medical attention.