The reform efforts of the women's rights movement of the nineteenth century helped to bring about -​

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".

because the vietnam war was fought in an especially brutal and untraditional way