The monetary system began to develop. What system did it replace?

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".

the supreme court can hear any case it wishes as long as four justices agree to hear it.

hope this , give me brainliest answer =j

i think it is the first one hope this