Answer:
Democratic countries believed in popular elections, while communist countries did not.
Explanation:
Democratic countries believed in popular elections, while communist countries did not represents a difference between communist and democratic countries during the Cold War.
Aqueduct is that canal. I'd choose none of the above as the aqueducts was firstly built in ancient Rome. But there's no such option. So the closest option is the first one A.Greeks
A. American-Soviet competition for military dominance
It was the "Hebrews" that were the first to willingly accept monotheism, since during the rise of the Hebrew faith most religious in the Middle East and elsewhere were polytheistic. <span />