Cubism was a result of the collaboration between Pablo Picasso and Georges Braque. Between 1908 and 1912 their "immediate influences are said to be Tribal Art" and "the work of Paul Cezanne."
  Although these influences were later disputed by Braque their work no matter who or what their influences were caused "immense creative explosion" which had an effect on art through the 20th century.
  The essential concept of Cubism is that the inner essense of a object is be shown through "multiple points of view simultaneously."
  By the end of World War 1 Cubism had begun to lose it's attraction. A lasting result of Cubistic influenece were movements such as: "Orphism, Purism, Precisionism, Futurism, Constructicism" and in a small but influential way, Expressionism. (Anthony Oliver)