History does repeat itself,not in the sense that the quality of life has not changed over the centuries nor in the sense that man has not learnt from past mistakes.It is simply in the sense that the human condition remains basically the same-a universal theme in literature.Whatever be the progression in thought or growth  of the intellect, man is pitted against the environment in his struggle for existence  and the events of the world are shaped by the manner in which he grapples with this problem.There is thus a tendency for the major events of the world to repeat themselves-whoever thought that after the Vietnam disaster a similar misadventure would happen after a space of  a few decades in Afganisthan or Iraq ? There is a definitely a pattern to the major events of the world- on acount of an underlying consistency in human behavior.