Final answer:
The Kingdom of Kongo was situated in West Central Africa, covering areas that today belong to multiple countries including the DRC, Congo-Brazzaville, Cabinda, and Angola.The correct option is c.
Step-by-step explanation:
The Kingdom of Kongo was located in West Central Africa, in an area encompassing the modern Democratic Republic of the Congo, Congo-Brazzaville, Cabinda, and northern Angola. This region is known for the Loango Coast, which stretches from Gabon to Angola and includes historically significant states such as the Loango Kingdom. The Kongo Kingdom was a centralized, politically organized society that played a significant role in the trans-Atlantic slave trade, with most enslaved Africans in the Southern English colonies coming from West Central Africa.