Nebuchadnezzar II
Nebuchadnezzar II resolved many problems in Babylon. Nebuchadnezzar II fought in many wars and defeated the Assyrians. Later Nebuchadnezzar II got married and his wife wanted her own mountain. So he built her the Hanging Gardens of Babylon. A few years later Nebuchadnezzar II died and that was when Babylon started to crumble.