Question: The country where Orchestre Stukas was based is in what part of Africa?
Sentence (from "Anglo-Portuguese Treaty of 1891"): These disagreements were increased in the 1870s and 1880s, firstly by a dispute over a British claim to part of Delagoa Bay and by the failure of bi-lateral negotiations between the two countries over the boundaries of Portuguese territories and secondly as a result of the Berlin Conference of 1884–85, which set-out the doctrine of effective occupation.
Relevant evidence: No