How is a library related or connected to the government?

How is a library related or connected to the government?How is a library related or connected to the government?
Among our yin-yang balances between socialism and capitalism are public libraries, funded by taxpayer dollars for the benefit of all Americans. Other socialist (government-funded) programs include our U.S. military, the Courts, our highways and roadways, bridges and tunnels, the VA medical system, Social Security, Medicaid and Medicare, the FDA, etc.How is a library related or connected to the government?
Public libraries are generally owend, operated and funded by the local city government.