Why did new artistic styles begin to challenge traditional understandings of art following World War I?

Artist who returned from the war began to focus on material things rather than emotions. ... Many artists wanted to separate themselves from cultural norms that led to the war.

Explanation:

what are two things that greatly the american economy after the war? the huge buildup of u.s. military the beginning of the korean conflict the creation of the gi bill the marshall plan for nations

on november 6 and 7, 1917 (or october 24 and 25 on the julian calendar, which is why the event is often referred to as the october revolution), leftist revolutionaries led by bolshevik party leader vladimir lenin launched a nearly bloodless coup d'état against the duma's provisional government.