 The other was Arte Concreto-Invencíon, or AACI, founded in 1945.The Madí art movement formed as a reaction to the AACI, whose art was perceived by the Madí group as being too strict in their method of creating concrete art, resulting in a lack of expression in their artworks.Operating under the rule of Colonel Perón, whose time in power was characterized by a volatile political climate, the Madí artists used their art to make statements with social and political implications.