Answer:
It greatly damaged the world atmosphere.
Explanation:
Nuclear weapons avoided at the time of Korean war and since because it greatly damaged the world atmosphere. If one country launched nuclear missiles against its enemies, it leads to destruction of everything comes in its radius. The world experience firestorms, a nuclear winter, widespread radiation sickness occurs after a full scale nuclear war due to emission of radiations.
he United States Postal Service (USPS; also known as the Post Office, U.S. Mail, or Postal Service) is an independent agency of the executive branch of the United States federal government responsible for providing postal service in the United States, including its insular areas and associated states.
Federal
Answer: The U.S constitution.
Explanation:provided Congress the power to establish post offices.
