F. Ďurčanský, F. Farkas de Kisbarnak, and R. Ostrowski. The head of the Romanian Liberation Movement affiliated with the ABN was Horia Sima, formerly the leader of the Iron Guard. The long-time general secretaries were Dr. Niko Nakashidze and C. Pokorný. Bērziņš was a Latvian who served as an obersturmführer in the SS and was accused of torturing and murdering 2, 000 Jews. Also sitting on the ABN's board was Edward O'Connor, a former member of the American National Security Council who had favored using emigre groups to break-up the Soviet Union. O'Connor has been described as the "single most important activist" in the ABN. A number of Holocaust deniers such as Austin App, the author of The Six Million Swindle were ABN members. The headquarters and cells of the ABN organized mass anti-Soviet rallies, protest demonstrations, press conferences, and international congresses, and the distribution of various memoranda. ABN activists held rallies outside of Soviet embassies and consulates; led boycott campaigns against department stores selling goods made in Eastern Europe; pressured school boards and libraries to remove books they considered to be pro-Communist; threw eggs at Soviet diplomats, and lobbied politicians. The ABN co-operated with the World Anti-Communist League (WACL) and the European Freedom Council (EFC). The ABN's magazine, ABN Correspondence, frequently praised wartime collaborationist leaders such as Ante Pavelić of Croatia and Father Jozef Tiso of Slovakia as "freedom fighters" against Communism. In the United States, ABN excelled at political organizing among Americans who were either immigrants from Eastern Europe and descended from immigrants from Eastern Europe. The ABN came to enjoy a certain power in the United States as many Americans of Eastern European background voted for candidates endorsed by the ABN, causing both Democratic and Republican politicians to court the favor of the ABN. ABN activists in the United States supported politicians who took the most extreme anti-Communist line such as Republican Senator Joseph McCarthy who in turn lavished praise upon the ABN. Besides for the United States, the ABN also came to enjoy power in Canada in the 1950s when there was a significant Ukrainian-Canadian population who voted for candidates endorsed by the ABN. In March 1958, at a conference in Mexico City, the ABN united with the Asian People's Anti-Communist League, the Committee of One Million Against the Admission of Red China, and the Inter-American Confederation for the Defense of the Continent to form the