What's a cold war? A historian explains how rivals US and Soviet Union competed off the battlefield
- Written by Robert J. McMahon, Professor of History, The Ohio State University

References
- ^ Curious Kids (theconversation.com)
- ^ curiouskidsus@theconversation.com (theconversation.com)
- ^ Soviet Union split up into 15 countries (www.history.com)
- ^ competed in numerous ways (www.nationalww2museum.org)
- ^ space exploration (coldwar.unc.edu)
- ^ very close to the U.S. (kids.britannica.com)
- ^ multiple confrontations and crises (www.nationalgeographic.com)
- ^ as many as 20 million people died (doi.org)
- ^ Only 1% of those (doi.org)
- ^ Korean War, from 1950 to 1953 (kids.britannica.com)
- ^ Vietnam War, from 1961 to 1975 (historyforkids.org)
- ^ CuriousKidsUS@theconversation.com (theconversation.com)
Authors: Robert J. McMahon, Professor of History, The Ohio State University