What is the primary reason why counties are formed versus cities?
A. Counties are established near central transport locations; cities are created to administer services for the state government.
B. Counties are established to serve as administrative districts for state government; cities are created for local people to have self-government.
C. Cities are established to carry out services for state government; counties are created to expand city boundaries.
D. Cities are established to slow the growth of state government; counties are created to limit the federal government and provide checks and balances.