Complex sentence: The Assyrian Empire was followed by the succeeding Neo-Babylonian Empire (605 BC-539 BC), and during this period Syria became a battle ground between Babylonia and another former Assyrian colony, that of Egypt.
Split into simpler sentences: The Assyrian Empire was followed by the Neo-Babylonian Empire (605 BC-539 BC). During this period, Syria became a battle ground between Babylonia and another former Assyrian colony, that of Egypt.