The technique of action painting was used by artists of which post world war ii art movement? pop art abstract expressionism conceptual art

Abstract Expressionism was the action or mode of painting commonly used by artists during the art movement after the World War II. It was a technique developed in New York and was the first American movement in art that was internationally acclaimed. This influence put New York City in the map of the Western Art World next to the prominent art scene of Paris. 

Answer(simplify painting);