Mercantilism was the thing that made political power. Mercantilism was the belief that putting tariffs and taxes on imported goods and trade, it would also help with building a wealthy and politically powerful state. The more trade you made, the more wealthier and powerful you became, all thanks to mercantilism.
The emperor <span> had the final say on church matters taht system was known as cesaropapism </span>
Julius Caesar is the answer to your question! after becoming essentially a trustee of Pompey, eventually Julius would move on to become a dictator.
One of the key events or features of civilizations enabled people to develop writing is political movements and wars together with suppression of the freedom of speech sparked the need of those against the war to express themselves through writing about it. For example, Mahatma Gandhi wrote his works to express his views about some events in the society.