Which of the following is determined by local government?

No list to choose from.. but..

Local government, in general, has authority to determine and execute measures within a restricted area inside and smaller than a whole state. Some degree of local government characterizes every country in the world, although the degree is extremely significant.

It should be at the center of any map going vertically: the prime meridian, as it passes through greenwich,  england, is considered 0 degrees longitude