It grew into the “island metropolis of eastern africa” as the center of a mercantile empire whose tentacles stretched to the congo. it later was refashioned by the portuguese and then became a british colonial capital. to what city-state do these facts apply?
(a) mogadishu.
(b) mombasa.
(c) mozambique.
(d) zanzibar.

(D) Zanzibar.

Explanation:

Zanzibar is a semi autonomous region of Tanzania which consists of a couple of isolated islands near the east coast of Africa, known as Zanzibar and Pemba. These and Mafia are usually called Spice Islands or Maluku Islands.

Zanzibar City in the Unguja island is the economic heartland and most important city of this region, famous for being Freddie Mercury's birthplace. Unesco has declard Stone Town in Zanzibar a World Heritage Site in the 2000's.