I believe it would be b. Eastern Orthodox.
Answer:
A
Explanation:
It's simple because it's the only answer choice that requires you to be a natural born citizen of the U.S. and according to the Constitution, it is the only answer that meets requirements.
Answer: There are a few factors that come into play:
1) Greece is an archipelago, so the different city states that rose were isolated by the Mediterranean Sea
2) Greece is very mountainous, so the city states that arose on the mainland, or smaller islands were separated by the mountains.