সঠিক উত্তর হচ্ছে: Zaire
ব্যাখ্যা: The Belgian Congo became independent in 1960 (as the Republic of the Congo), and later underwent several name changes (to the Democratic Republic of the Congo, then to Zaire, and back again to the Democratic Republic of the Congo) is the product of a complex pattern of historical forces. Source:Encyclopedia Britannica