Neo-dada | Tate https://www.tate.org.uk/art/art-terms/neo-dada
Tate glossary definition for neo-dada: Term applied to the work of artists working in America the 1950s and 1960s which was reminiscent of the art of the early twentieth century Dada movement
There were also strong echoes of dada in environments and happenings of the 1950s