The government was established to preserve life and provide protection. Thomas Jefferson wrote in The Declaration of Independence that the government is instituted to secure certain rights by "deriving power from the consent of the governed." The government has three purposes: to insure domestic tranquility, promote the general welfare, and establish justice.
Maintaining order is one of the most important purposes of the government. The order is usually imposed by establishing laws or policies. If the government did not preserve order, people would be savages, stealing and killing for their selfish benefit. Giving the authority to the government to maintain domestic tranquility, will guarantee the safety