Complex sentence: The pre-Akkadian Nagarite monarchs toured their kingdom regularly to assert their political control, and the provincial center of Nabada was ruled by a council of elders, next to the king's representative.
Split into simpler sentences: The pre-Akkadian Nagarite monarchs toured their kingdom regularly to assert their political control. Provincial centers such as Nabada were ruled by councils of elders, next to the king's representative.