I can't possibly understand the Holy Roman Empire, tis too complex and overlapping!
Not to do a quick check on how zoning regulations happen in my neighborhood, which I'm sure will be a simple affair
California is ruled by the president as the governor of California but it is not part of the United States. It pays taxes to the governor of California who is also the president. It has its own courts which rule the state which supersede the Federal courts sometimes but not always