I think that it could be the last one
The geography of Africa helped to shape the history and development of the culture and civilizations of Ancient Africa. The geography impacted where people could live, important trade resources such as gold and salt, and trade routes that helped different civilizations to interact and develop.
Because they were rivers, so immediately you know it was a water source. Plus, these rivers flooded, which was beneficial for having fertile soil. The fertile soil meant crops could be planted there.
The 4f sublevel comes after the 3f sublevel and is followed by the filling of the <em>5f sublevel.</em>
<h2><u><em>Dear student </em></u></h2><h2><u><em>answer is placed unqualified people in public office.</em></u></h2>