What does the United States government do to insure domestic tranquility?

very little it seems. During the lat year of protests and riots, police intervention was initially minimum. later in the year when federal officers began taking offenders into custody, public outrage heightened. Then in response to rumors and supposition, troops greater in number to those deployed to Falusia were deployed to DC and the states' capitols.

just like you man, i personally think its either c or d

explanation:

but good luck with the test man