How does the quote Walter cronkite in paragraph 10 contribute to the central idea of the text?-

i belive the classic sword and a shield would do

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".

i think you may have asked this twice, but i answered one of the