The answer is "D. They transported goods across desert regions."
The effect is that they had to rebuild all the things to make a town again.
D. Khrushchev was the Soviet leader during both the Eisenhower and Kennedy presidencies.
Ancient Greek statesman Pericles was born c. 495 B.C. in Athens, Greece. His father, Xanthippus, was a famous general and statesman who came from a wealthy family of aristocrats. Pericles mother, Agariste, was niece to the famed statesman and reformer Cleisthenes, who lead the controversial Alcmaeonidae clan.
