2.The Boer War ×1899-1902 waged by the British imperialists to effect a political and economic control over the Boer Republics of South Africa another example to mark the rapid decline of the British Empire 2. The Boer War ❖ 1899-1902 ❖ waged by the British imperialists to effect a political and economic control over the Boer Republics of South Africa ❖ another example to mark the rapid decline of the British Empire