1. Impressionism was an art movement that began in the 1860s in which artists painted outdoor scenes capturing the effects of light with visible brushstrokes rather than focusing on details.
2. Post-Impressionism emerged in the late 1880s as artists like Gauguin, Seurat, van Gogh, and Cézanne broke from Impressionism's naturalism to express deeper emotions through simplified colors and forms.
3. Abstract expressionism developed after World War II in New York and featured nonrepresentational works by artists such as Pollock, Rothko, and de Kooning, with Pollock known for his "drip paintings" created by pouring and splattering paint onto