What is the reason that countries might engage in a cold war? A hot war is too costly.

War leaders are usually voted out of office.

The United Nations makes it too easy to work out problems before war.

The North American Treaty Organization makes any type of war illegal.​

Where did the term “iron curtain” originate? the warsaw pact used the term iron curtain as a code word for communism. in a 1946 speech, british prime minister winston churchill said an iron curtain had fallen across the continent of europe. while visiting western europe in 1946, u. s. president harry truman commented that the mountains there looked like iron curtains. russian general secretary joseph stalin instructed citizens of eastern europe to hang iron curtains over their windows to protect themselves from stray bullets.