This thesis considers the relationship between Germany’s South-West African colony and its British South African counterparts (the Cape Colony, Natal, Rhodesia and, after the second Anglo-Boer War, the Orange River Colony, and the Transvaal) between 1883 and 1915. The chapters consider the complex and fraught relationship, including the British Government’s surprise and the Cape Government’s dismay following Germany’s establishment of the colony: the German public’s pro-Boer stance juxtaposed against the German Government’s refusal to intervene during the second Anglo-Boer War; the Cape Government’s dilemmas over whether to aid German South-West Africa (GSWA) during Germany’s quasi-genocidal campaigns against the Herero and the Nama; effort...