Counties represent subdivisions within states and deliver services at the local level pertaining to:
Record-keeping
Licensing
Economic development
All of the above

All the above

Explanation:

Think about all the things your county does. Your county gives you a license, keeps a record of you and economic impacts. Instead of doing all of city wide. Some cities are too big to do that, so we have counties.

these acts divided the south into five military districts.