The cold War The Cold War was a response to the perceived threat by the United States that Communism would interfere with national security and economic stakes in the world. It was a perceived threat by communist countries that the United States would take to the world. During the Cold War, the United States, Russia, and other countries made efforts to avoid another world war, while warring in proxy in other lands. The devastation caused by the hydrogen bombs exploded in Hiroshima and Nagasaki and the next technological advancements became only deterrents to the public. Governments had their own agenda which would result in worsening the strain between nations. The United