It was fought between the British Empire and the two Boer Republics (the South African Republic and the Orange Free State) over the Empire's influence in Southern Africa from 1899
Explanation:
The war began on October 11 1899, following a Boer ultimatum that the British should cease building up their forces in the region. The Boers had refused to grant political rights to non-Boer settlers, known as Uitlanders, most of whom were British, or to grant civil rights to Africans.