(a) Which large areas were united under one ruler? Give at least three examples
(b) Which rulers of dynasties, governments, kings, or emperors united large areas under one rule? Give at least three examples.
(c) What are some strategies or practices rulers have used to unify diverse people in their empires under one rule? Cite at least three strategies or practices and mention some rulers or governments that used each of those strategies.
Please answer these ASAP