why did Picasso use cubism/ shapes in weeping woman?

2 answers

Why the weeping woman is an example of shapes?
http://www.google.com/search?q=Picasso+%22weeping+woman%22+analysis&oq=Picasso+%22weeping+woman%22+analysis&aqs=chrome..69i57.7917j0j7&sourceid=chrome&es_sm=119&ie=UTF-8

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