Answer:
To maintain everyone's rights. Even to fight for the state, company, or person's case.
Explanation:
To make sure that the amendments were stable and correct. To make sure everyone have the right to these amendments.
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.
