Because the community's governance is granted to it by the state. Nowhere in the constitution are the rights of city councils enumerated, and states are soverei

Because the community's governance is granted to it by the state. Nowhere in the constitution are the rights of city councils enumerated, and states are sovereign entities. As such, any power your local community has to govern itself is just largess from its state. When it stops governing in a way that the state approves of, there is nothing preventing the state from stepping in.