Fact or opinion? Suppose you were an historian researching The History of Rome. You discovered this information about the founding of the city. What is the account might be fact? What might be opinion?

in 1897, pershing became a tactical officer at west point, and that's where he was given the nickname "black jack." pershing's first name is "john," for which "jack" is a nickname, and he was a white man who commanded black troops. hence "black jack".

equal area projections

equal-area projection. a projection in which regions on the earth's surface that are of equal area are represented as equal.