What important new idea did the abstract expressionist movement pose that had a major and lasting effect on art? a. it proposed that instead of letting children draw at random, they should be trained from an early age in classic painting techniques b. instead of painting glorified portraits and landscapes, abstract exppressionists suggested a focus on portraying real life. c. it encouraged the perfection of tiny details on small canvases instead of the creation of large-scale paintings. d. instead of focusing on how to paint, abstract artists began to think about the endless options of what they could paint.