Your county is divided up into which each have a few hundred people assigned to each polling place. the purpose is to avoid too many voters at one voting area. precincts primaries election boards conventions

The answer is  precincts
too many voters within an area will hinder the overall election process and also improve the chance of voter violence from happening.
to prevent this, precincts with their team of police forces are dispatched to maintain the area.

Im pretty sure it’s is c