D). Vast empires.
Classical civilizations developed vast empires, whereas early river valley civilizations did not.
The Quran is Muhammand's teachings the Sharia law is an interpretation of the Quran.
FBI and CIA agents broke into the offices of the Democratic Party and George McGovern months before the election.
So, the answer would be to obtain information about Nixon’s opponents.
This is the definition of the word obligation.