How wide is the mouth often congo river

"The length of the Congo and its longest headstream is about 3,000 miles (5,000 kilometers). Each second the Congo River pours 1,200,000 cubic feet (34,000 cubic meters) of water into the Atlantic Ocean."

4,700 km(2,920 mi)[1]
4,014,500km 2
(1,550,007 sq mi) [1]

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It is useful for historians to write narratives so that history can be passed on from their point of view.  think about a story being told in third person, then think about it again being told in first person, by someone who actually experienced the event.

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