2 Select the correct answer.
Why was Zyklon B used instead of carbon monoxide?
A.
It allowed for a smaller gas chamber.
B.
It was less expensive.
C.
It worked faster.
D.
It allowed for a larger gas chamber.
O E.
It was safer for the Nazis running the chamber.

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".

answer placeholder because the system is messed up