How did Britain come to gain control over the diamond-rich area of Griqualand West?

Britain gained control over Griqualand West through a combination of diplomatic negotiations, military conquest and treaties with local African leaders. The area was originally inhabited by the Griqua people, a mixed-race group descended from Dutch settlers and indigenous Khoikhoi people.

In the mid-19th century, Griqualand West was home to numerous diamond fields, including the famous Kimberley mine. This attracted the attention of European powers, who sought to control the lucrative diamond trade in the region.

In 1871, a British prospector named Cecil Rhodes purchased the rights to the Kimberley mine, sparking a rush of European settlers to the area. The British government then moved to formally annex Griqualand West, citing the need to protect British interests and maintain order in the region.

The British negotiated with local African leaders, such as Chief Waterboer of the Griqua people, to secure their consent for the annexation. British forces also clashed with rival groups, such as the Boers, who sought to control the diamond-rich territory themselves.

In 1871, Griqualand West was officially annexed by the British Empire and incorporated into the Cape Colony. This marked the beginning of British control over the diamond-rich region, which would play a significant role in the colonial history of southern Africa.