An example of a monarchy is that which presently rules over Britain and is headed up by the Queen Elizabeth II. A monarch's power can vary, and the monarch can fit one of three categories: a crowned republic, a constitutional monarchy, or an absolute monarchy.
The leaders of the Roman Republic established a tripartite (try•PAHR•tyt) government. This type of government has three branches: executive, legislative, and judicial. The executive branch enforces a country's laws. The legislative branch makes the laws.
They would be around 65 to 75 or even older
The main way in which Charlemagne’s relationship with the Catholic Church benefited both parties is that he was able to reign with far more religious tolerance, which kept his empire alive for longer, while the Church was able to give him support that increased his legitimacy.