An Incomplete History of Protest: Selections from the Whitney’s Collection, 1940–2017

Annette Lemieux (b. 1957), Black Mass, 1991.
"Through the lens of the Whitney’s collection, An Incomplete History of Protest looks at how artists from the 1940s to the present have confronted the political and social issues of their day. Whether making art as a form of activism, criticism, instruction, or inspiration, the featured artists see their work as essential to challenging established thought and creating a more equitable culture. Many have sought immediate change, such as ending the war in Vietnam or combating the AIDS crisis. Others have engaged with protest more indirectly, with the long term in mind, hoping to create new ways of imagining society and citizenship. ..."
Whitney
Whitney (Audio)
Guardian: A brief history of protest art from the 1940s until now - in pictures