What did julius caesar do that played a part in ending the roman republic (a) he did away with rome's written laws (b) he appointed allies and friends as provincial governors (c) he declared himself emperor and first citizen (d) he crossed the rubicon and defeated his enemies

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".

hello there the answer is a

sorry if i am wrong hope that : )