Answer:
Society.
Explanation:
A group of people involved in persistent interpersonal relationships, or a large social grouping sharing the same geographical or social territory.
Sacrificial rituals, they killed people, spilled their blood on altars. It was an honor to be a sacrifice. Sometimes, the rituals claimed to need virgins or women, or both.
The executive branch: main power to deal with foreign powers.
the legislative: makes laws and has the power to ajust taxes and made up of two houses Senate and house of reps.
the judicial: is to interpret the laws and also revoke laws that they find unconstitutional.
It was actually a city state at first, Through conquest, trade deals, and luck/resources. They were able to become an empire. Also reorganization of the Roman Legion helped.
