"counties and municipalities control while the domain of federal and state governments.

Jails, prisons

Explanation:

Jails, prisons

Prisons are known to be a housing facilitiy provided by the state or federal government that confine convicted felons with sentences usually longer than a year. Jails are administered by municipalities and counties that hold offenders with shorter sentences  usually for one year or less  and also for those awaiting trial.

i would say b. research typically uses a variety of sources