Discussion Topic: Introduction to Twentieth-Century Arthttps://www.khanacademy.org/humanities/art-history/art-history-basics/art-1010-ddp/v/20-century-art (Links to an external site.)Please post your responses (20 sentences or more, not including websites and/or visual examples) on the topic or reading material Please share what you learned, did not know, how the topic/learning changed your view toward the topic now, possible questions,.