In a communist system, controls all the land and resources and makes all economic decisions ?

Central government

Explanation:

Communism Central government owns and controls all resources and means of production and makes all economic decisions.

b

explanation:

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".