Who united the middle kingdom around 2050 bc?

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".

he supported the seperation of church and state. he also promoted religious tolerance.

the roman army grew in size and became dominant in the mediterranean region.