Wish mu uck on my test with my -100 braincells surviving)

GOOOD LUCKKK

Explanation:

good luck im wishing you good luck

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".

imma say false because i dont know anything about this.