The part of the us government that carries out laws is the

The executive arm

Explanation:

The executive arm of the government of the united states of America is saddled with the responsibility of enforcing the law according to the constitution. and this laws are enforced through the police who tries to ensure that every citizen keeps and obeys the set rules and laws of the country at all times.

The Judiciary arm of the Government interprets the law as been assigned to them by the constitution while the legislative arm of Government make the laws for the country.

the three arms of Government is responsible for the smooth running of the Government in general without glitches.