People saw many new factories making new products fast. They saw growing cities, skyscrapers, and people with time and money to entertain themselves. This prosperity gave them confidence. But some philosophers, psychologists, novelists, and artists sensed that some people had doubts and worries. psychologists, philosophers, novelists, and artists began to explore the unreasonable side of human nature, and in the process revolutionized our understanding of the human mind and our concepts of art and music. i hoped that helped.
