Answer:
Shift from optical-art to construct-painting
Explanation:
The shift from painting "what one sees" to a painting of "what one thinks about what one sees" describes shift from optical-art to construct-painting.
Answer:
During the Depression years, Copland traveled extensively to Europe, Africa, and Mexico. He formed an important friendship with Mexican composer Carlos Chávez and would return often to Mexico for working vacations conducting engagements.
Explanation:
