It was named the cold war because the two countries who contributed the most never actually fought each other. America mostly helped other countries with supplies needed to fight against The Soviet Union. They never actually met on the battlefield.
So called because it never boiled over into open war between the two powers but was focused on espionage, political subversion and proxy wars. Western Europe and Japan were rebuilt through the American Marshall Plan whereas Eastern Europe fell in the Soviet sphere of influence and rejected the plan.
Natural rights are mainly thought of in the idea that they belong to every person regardless of socioeconmic status. Nothing can, or should, take them away. As such, they should be protected by the government.
The United States entered the war on April 6, 1917. The entry was significant because the US had tried to remain neutral for most of the war, but after entering, it helped the allied forces win