Explain the three reasons Dr. king cites for bringing Vietnam into the field of his ""moral visions""

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".

where is the passage

i cant solve it without knowing the passage

troy donahue,   i think.

idk