Dadaism, an avant-garde movement that emerged during World War I, is renowned for its anti-art stance and its use of satire, irony, and absurdity to challenge conventional notions of art and society.

Rivera's mural, with its powerful depiction of the struggles and solidarity of workers, became a symbol of the labor movement and helped raise awareness of the plight of the working class during the Great Depression.

Kara Walker is known for her silhouette-based artworks that address issues of race, gender, and history, often using provocative imagery to confront viewers with uncomfortable truths about the past and present.

Art as activism harnesses the power of artistic expression to advocate for social and political causes, raise awareness about injustices, and inspire action for positive change.

Banksy, known for their anonymous street art and subversive imagery, often uses humor and satire to critique political and social issues, challenging authority and provoking thought.

Cultural hegemony describes the process by which a dominant cultural group's values, beliefs, and norms become the accepted norms for society as a whole, often influencing political and social structures.

Bill Viola's video installations and immersive environments often explore themes of perception, consciousness, and the human condition, challenging viewers to confront their own mortality and relationship to the world.

Art as resistance harnesses the power of artistic expression to challenge authority, resist oppression, and promote social and political change, often through subversive or confrontational means.

Tania Bruguera's work often involves participatory projects and performances that engage with social and political issues, inviting viewers to actively participate and reflect on their own role in society.

Art as propaganda harnesses the power of artistic expression to promote a particular political ideology or agenda, often through simplified and emotionally charged imagery and messaging.

Shirin Neshat's work often explores the experiences of women and the complexities of cultural identity in the context of displacement and migration, using powerful imagery and symbolism.

Art as therapy harnesses the power of artistic expression to promote healing and well-being, often through creative activities that allow individuals to explore their emotions, experiences, and challenges.

Art Spiegelman is known for his graphic novels, particularly "Maus," which uses anthropomorphic animals to allegorically depict the Holocaust, blending humor and tragedy to explore complex historical and social issues.

Art as education harnesses the power of artistic expression to promote critical thinking, creativity, and problem-solving skills, often through hands-on art-making experiences and discussions about the meaning and significance of art.

Christian Boltanski's work often explores the themes of memory, loss, and the passage of time, using found objects, photographs, and installations to create immersive environments that evoke a sense of nostalgia and contemplation.