Describe the difference between a "state" and a "nation."

"A state is a territory with its own institutions and populations. ... A nation is a large group of people who inhabit a specific territory and are connected by history, culture, or another commonality. A nation-state is a cultural group (a nation) that is also a state (and may, in addition, be a sovereign state)" Don't full on copy. This is from a website.

Explanation:

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".

yes based on alexanders actions he deserved the title of "the great". his empire covered about 3,000 miles and he was able to establish the empire over a 13 year period of time. he was able to conquer many different places. he also defeated the persians. he conquered egypt and developed a city and named it after himself.