> US states have their own governor, their own political counties, and in a good part and their own policies, besides the common group policies.
That’s also true of the sub-divisions of many European states.
That’s also true of the sub-divisions of many European states.
And cities have mayors and school boards have chairmen etc. But a US State has its own Supreme Court with the final decision on matters of state law. The governor of California doesn't work for President Trump.