Which of the following was not a concequence of early civilization

answer; ///i do believe that the correct answer for the above is ( which states would be free and which states would have check first good

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".