In a spirit of rebellion and disillusionment during World War I a group of artist established the ______ movement. It declared i
tself against art, responding to the absurdity of war and the insanity of a world that gave rise to it, they declared that art, a reflection of this sorry state of affairs was stupid and must be destroyed. In its nihilistic mocking of traditional values in the arts and by extension Western society as a whole the artist Marcel Duchamp created the Mona Lisa (L.H.O.O.Q.) in which he impudently defiled a color print of Leonardo da Vinci's master piece with a moustache and goatee.