One of the main reasons societies settled along rivers in the neolithic era was because

These early civilizations began to form around the time of the Neolithic Revolution (12000 BCE). Rivers were attractive locations for the first civilizations because they provided a steady supply of drinking water and made the land fertile for growing crops.

carefully examine the map above. based on your knowledge of colonialism in africa, the area attributed to belgium on this map is most likely the democratic republic of the congo.