Did the land of the kush civilization stretch into Sudan?

Yes

Explanation:

The Kush Civilization stretched all the way into into Ethiopia. It went through Sudan of course.

would not cooperate with each other voluntarily.

richard milhous nixon (january 9, 1913 – april 22, 1994) was the 37th president of the united states, serving from 1969 to 1974, when he became the only president to resign (quit). he is also known for corruption and the watergate scandal which resulted in the public losing trust in him and his resignation.