Even though unlit city streets were dangerous,
a. most city planners did nothing about it.
b. professional police officers refused to patrol them.
c. factory workers had to travel to and from work in the dark.
d. city governments rejected electric streetlights.

the united states has a federal government. the president is the head of the federal government of the united states. however, each state forms its government for administration purposes. the powers of the state governments are exercised within restricted state boundaries. and citizens participate in this government by voting.