In what way might a historian use a source like the one above?

I’m annoyed but glad that my history teacher left and quit her job as a teacher to become a flight attendant

How w.e.b. dubois wanted to improve the social and economic situation that existed for african americans during the early 19th century?

The "nationalists" and fascists battled against the "republicans" and communists in a civil war in the 1930s in