 The most prominent U.S.-based movement groups are Act Now to Stop War and End Racism (ANSWER), Not in Our Name (NION), and United for Peace and Justice (UFPJ).ANSWER was one of the first U.S. left groups to form after the September 11 attacks in order to express dissent from the nascent "War on Terror".With the U.S. left divided on the merits of military action against the Taliban regime in Afghanistan, the International Action Center (IAC), a group founded in 1992 by former U.S. attorney general Ramsey Clark and perceived as closely tied to the Workers World Party.