20th-century art encompasses a diverse range of movements and styles that emerged from the early 1900s to the end of the century. Key movements include Cubism, Surrealism, and Abstract Expressionism, each challenging traditional artistic conventions. Artists like Pablo Picasso and Jackson Pollock explored new techniques and materials, reflecting the rapidly changing world around them. This period also saw the rise of modernism, which emphasized innovation and experimentation. Art became a means of expressing social and political ideas, as seen in works by Andy Warhol and Frida Kahlo. Overall, 20th-century art played a crucial role in shaping contemporary artistic practices.