Archaeology has shown that Rome had a monarchical form of government. From 753 BC to 509 BC, this monarchical government was the form of government for the entire nation. Archaeological discovery and various legends stress this information.
It was after that time period that Rome ceased to be a monarchy and became a republic. Once it became a republic, the rich people became somewhat like royalty and received special treatment. They were the ones who dictated what would be the future of Rome.
The first political model of Rome is a monarchical form of government. This is just according to the clues that people found. From there, Rome slowly grew into the type of empire that people became more familiar with. It is said that the monarchical form of government may have occurred from 753 BC to 509 BC.
After this, the Roman Republic was formed and this was the time when only those who were rich or were considered royals had a say about what would happen to Rome. Soon after that, the reach of Rome grew until it became really huge. The rest of the things that happened are known by a lot of people.