Abstract expressionism is a style of art that emphasizes the artist's emotional and psychological state rather than depicting external objects or scenes. It is not typically used as a tool for advocacy.

Keith Haring was a New York-based artist who used his work to raise awareness about the AIDS crisis. His iconic images, such as the dancing figures and the heart, became symbols of the fight against the disease.

Guerrilla art is a type of art that is created in public spaces without permission, often with the intention of making a political or social statement. It is often ephemeral and may involve the use of stencils, stickers, or other temporary materials.

Kerry James Marshall is an American artist known for his paintings that depict black life in America. His work often addresses issues of racial inequality, identity, and representation.

Political cartooning, satire, and parody are all types of art that use humor and satire to make a political or social point. They can be found in a variety of media, including print, online, and television.

Chris Jordan, Edward Burtynsky, and James Balog are all artists who use their work to raise awareness about environmental issues. Their work often focuses on the impact of human activity on the natural world.

Collaborative art, community art, and participatory art are all terms for a type of art that is created collaboratively by a group of people. This type of art often involves the participation of non-artists and can be used as a tool for social change.

Judy Chicago, Barbara Kruger, and Jenny Holzer are all artists who use their work to address issues of gender inequality. Their work often explores themes of identity, representation, and power.

Documentary art, activist art, and protest art are all terms for a type of art that is created in response to a specific social or political event. This type of art often aims to raise awareness about an issue or to call for change.

Ai Weiwei, Shirin Neshat, and Mona Hatoum are all artists who use their work to address issues of immigration and displacement. Their work often explores themes of identity, belonging, and the human experience.

Assemblage, collage, and mixed media are all terms for a type of art that is created using found objects or materials. This type of art often explores themes of identity, consumerism, and the environment.

Banksy, JR, and Shepard Fairey are all artists who use their work to address issues of poverty and inequality. Their work often explores themes of social justice, class struggle, and the human condition.

Digital art, new media art, and electronic art are all terms for a type of art that is created using digital technologies. This type of art often explores themes of technology, identity, and the future.

Olafur Eliasson, Anish Kapoor, and Yayoi Kusama are all artists who use their work to address issues of climate change. Their work often explores themes of nature, the environment, and the human impact on the planet.

Public art, street art, and guerrilla art are all terms for a type of art that is created in public spaces. This type of art often explores themes of community, identity, and the relationship between art and the public.