He discovered that they had a highly advanced civilization with many current amenities such as a postal service. He later took these back to Europe and implemented them into their equality developed nations.
D, because whether or not the rivers flow into the mediterranean has no effect on early civilization.
Since the electoral college is a college of politicians whose job it is to know everyone and everything, we give them our votes and they vote for who should be the president. Therefore, you don't have to know who the president is, but if you give your vote to the elector then they will give it to who they know is about the ideas that you voted for. Nowadays it is much more complicated due to the scale of it all.
It's number c that's the best answer
The claim of an attack on a U.S. warship by North Vietnamese forces