After the Boers no longer needed British aid they again resumed demands of an independent Boer state. They defeated British troops at Majuba Hill in the year 1881. The Boers were angered by the abolition of slavery in 1833. Little thought was given to local Bantu tribes and their land became playground for European ambition. The discovery of diamonds and gold increased the wealth of the region, however, profit remained in the hands of the settlers and chartered companies.