Describe the Four Modernizations – what was the effect of these reforms?

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".

hey

the answer to your question is c the civilian conservation corps

civilian conservation corps

which put thousands of men and women to work for contruction during   1933 to 1942

i think economic depression and disrupted trade and commerce

the answer is d hope this : )