The most noticeable feature of the Cold War was that it involved two super powers, The Soviet Union and the United States. The fear of the usage of nuclear weapons in the world war and the technical advancements of the two powers prevented these countries in opting for an actual war. Both the powers got engaged in running each other down and encouraging conflicts all over the world.
More on the Causes of the Cold War.
This site will give further details on the causes of the Cold War. http://regentsprep.org/regents/global/themes/conflict/coldwar.cfm
This site will lead you through an interactive game where you can learn more about the causes of the Cold War.
http://www.bbc.co.uk/schools/gcsebitesize/history/mwh/ir2/causes_coldwaract.shtml
This site will lead you through an interactive game where you can learn more about the causes of the Cold War.
http://www.bbc.co.uk/schools/gcsebitesize/history/mwh/ir2/causes_coldwaract.shtml
History of the Cold War
More social studies videos on Cold War at NeoK12.com