Answer:
Many aspects of Roman Law and the Roman Constitution are still used today. These include concepts like checks and balances, vetoes, separation of powers, term limits, and regular elections. Many of these concepts serve as the foundations of today's modern democratic governments.
Hope this helps :)
According to my point of view, the main purpose of government is to establish a secure system to maintain liberty and livelihood, make sure people are getting enough money to liver better and above poverty line.
Because, if people are secure and have liberty but government is not doing anything about that. people are not survive and it will lead to disruption.
If I see the document I'd be happy to answer your question:)