Question: Which German prince became a Belgian King and was closely connected to a German-born banker of Jewish descent who was awarded the Order of Leopold?
Sentence (from "Congo Arab war"): The Congo Arab war (also known as the Congolese-Arab war and the Belgo-Arab War) took place in what is now the Democratic Republic of the Congo between the forces of Belgian King Leopold II's Congo Free State and various Zanzibari "Arab" slave traders led by Sefu bin Hamid, the son of Tippu Tip.
Relevant evidence: No