Some of the oldest agricultural civilizations settled in the and the tigris and euphrates river valleys.
a. congo river valley
b. volga river valley
c. nile river valley
d. ural river valley

The correct answer would be lost aquila

Did you know it's illegal to own only one guinea pig in switzerland?   : )

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.