I need more context, but without context you’d often see twin towers
Feudalism was an agreement to exchange military service for d. land.
Answer:
The vast Persian Empire contained many conquered peoples with different beliefs and cultures, while the Greek civilization consisted of independent city-states that all had their own beliefs.
They are both, I believe, considered megapolis's
Answer:
USSR, Poland, East Germany, Albania (until 1968), Bulgaria, Czechoslovakia, Hungary and Romania.
Explanation:
