Which condition must be true for a nation to exist?
all of the people must speak the same language.
a single religion must unify the citizens of the country.
at least a million people must live within the borders of the country.
the country must be sovereign and handle its own affairs.

the answer is D)  The country must be sovereign and handle its own affairs

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".

d) a week

because the land run of 1889, although not without precedent in the history of the west, further, their men were aboard the first trains, ready to jump off and begin staking their claims. oklahoma city, edmond, and guthrie were all so affected.