Morality, Societal Pressures, rules and laws of the land as well as the Police and Military.
Municipal or local government.
Lawmakers and the legislature makes laws in Michigan. They are often voted on by local boards in counties and towns as well.
The government is in charge of making laws. In the USA, laws are created by local and US State governments. The Federal government also creates laws. The Justice Dept of the US Federal Government enforces Federal laws and State & local police also enforce laws.
In the US, they are on the State level.
county
They are handled on the local level rather than the state level.
local governments create sush laws i.e. towns and citie's and such
People do.
county
Although there are no enforced federal laws regarding the sport of airsoft (beyond shipping restrictions of certain models and makes), most laws reside on either your state, local, or community level. Be sure to check your state laws regarding airsoft, and always play safe.
The term varies among local governments - council, board, etc.
In the US - at the state level it is the state legislature that makes the laws. At the federal level it is the US Congress.