Nuclear arms race was a key factor in extending the time period of the cold war. The seeds of the hostility between USSR in US began after the end of World War I with the rising of communism in USSR in Stalin rule made it worse.
One part of the constitution that was not the best was how it gave people too much freedom, since people didn't want to eventually form a dictatorship over the colonists.
<span>Nationalism in the Balkans and a system of military alliances is the best selection for the major cause of World War One. </span>
<span>Lord Cornwallis took over command of British forces in the Southern colonies in 1780 :) hope this helps </span>