C. A person must be at least 30 years old to run for the U.S. Senate. They also have to have been a U.S. citizen for at least 9 years.
The first one, after the 4th crusade which saw the sacking of Constantinople by the crusaders who had been stranded there waiting for their payment from the emperor of the Byzantine empire, let's just say that the Byzantines weren't big fans of western Europe for a good while, but I could be wrong so wait for other answers :)
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Robert Nisbet promoted the idea of the "intermediate society".
Answer:
C
Explanation:
in bartering it's hard to distinguish a common measure of value, for example one mans trash is another mans treasure, but thanks to money having a set worth in all country's, it makes it a more viable option.