 During this period, Britain annexed the Transvaal (1877 to 1881).In 1879, the same year as the Zulu war, Mbandzeni aided the British who were now controlling the Transvaal to defeat Sekhukhune and to dismantle his kingdom.In return for his assistance, Swaziland's independence was to be guaranteed perpetually and Swaziland would be protected from Boer and Zulu encroachment.