In 1922, the russian empire was officially changed to the union of socialist soviet republic by the bolsheviks after the russian revolution.

False. The empire ended with the overthrow of the last Czar and establishment of the [first] Russian Republic in 1917.

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".

a because i tried to vote with just my college id and the answer was no