Ross Murray Art Essay In the world of art, is probably the most important art movement in the history of 20th Century Art. brought in new ways of composing pictures and also showed new ways of representing nature. New movement also brought in new attitudes towards the picture surface and the application of paint. The ideas of colour theory were all changed. This caused a liberation of these elements from a merely descriptive function have all featured in the development of Cubism. At the beginning of the first decade of this ending century two ....