(Top left: Che Guevara monument , Santa Clara, Cuba.)

(On left, Cuban terrorists. On right, Antifa terrorists in the U.S.)

In fact, both Commie flags hail from the Anarchists who had their murdering, looting, church-burning, nun-raping heyday during the Spanish Civil War, especially in (as luck would have it) Barcelona, long known as the Anarchist capitol of the world.