During his third voyage to the new world, columbus realized that he had discovered a new continent, and had not sailed to islands in south asia.
a. true
b. false

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".

four sitting presidents have been assassinated while in office but the first was abraham lincoln,