Why was this a “cold” war and not a “hot” war?

- This is talking about the could war btw

Explain: It was called the Cold War because neither the Soviet Union nor the United States officially declared war on each other.

necessary and proper clause. the congress shall have power to all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states, or in any department or officer thereof.