In "A Short History of the Twentieth Century" (2013), Lukacs attempts to challenge the idea (common to both professional historians and experts in international relations) that the Cold War presented a bipolar system or a major strategic rivalry or conflict, instead arguing that the 20th century was one of American dominance. Citing the biographical example of Hitler as well as left- and right-wing populism in the United States, Lukacs also argues in the book that populism was the most destructive force of the 20th century and attempts to disentangle the concept of populism from its frequent (though, Lukacs argues, inaccurate) conflation with the inherent stances of left-wing politics.