Nuclear power is harnesses in the form of heat to create steam which turns turbines which generates electricity.
Answer:
It governed surrounding lands and had its own ruler.
Explanation:
After making expansions, it often very difficult for a king to handle all parts of his territories by his own. Especially considering how difficult it is to communicate with places on far distance during that time.
In a city state, an empire divided its total territories into several parts. After that, the King allowed each territories to pick their own leaders and take care of themselves in terms of law and economy. The Central government only act as a regulator to ensure that each states pay their own share of taxes and not attacking one another. This made it easier for the king to control all of the territories.
