Final answer:
The correct answer is B) Second Boer War.
Step-by-step explanation:
The correct answer is B) Second Boer War. The South African War, also known as the Second Boer War, was a conflict between the Boer republics of the Orange Free State and the Transvaal Republic against the British Cape Colony. It started in 1899 when Paul Kruger, the President of the Transvaal Republic, issued an ultimatum to the British demanding the withdrawal of British troops from the South African Republic. This led to the outbreak of the war.