According to the Life Expectancy Map on the Reading, what is the life expectancy in most African countries vs. most North American Countries?

Ibelieve the answer is c also i'm in k12 too

Cause of he different elevations  hope this ?

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.