There were three Nebuchadnezzar's who reigned. Assuming that you are talking about Nebuchadnezzar I, he reigned during 1125 - 1104 BC.
The following are correct:
A moat filled with water from the Euphrates River surrounded the city.
Walls around the city provided protection from enemies.
Control of the Atlantic ocean was a gateway for easy trade between other countries suck as Mexico,Africa,and possibly America. it could have also served as war territory for ships.
The answer is D. Principalities were small territories that were run by Russian rulers.
This due because they population was very small, and it still hasn't reached by the mongol Empire But they were very close with Russian Territories
The correct answer would be C.
hope this helps
sorry if it doesn't.
