InFaith in Freedom: Propaganda, Presidential Politics, and the Making of an American Religion(Cornell UP, 2021), Andrew R. Polk argues that the American civil religion so many have identified as indigenous to the founding ideology was, in fact, the result of a strategic campaign of religious propaganda. Far from being the natural result of the nation's religious underpinning or the later spiritual machinations of conservative Protestants, American civil religion and the resultant "Christian nationalism" of today were crafted by secular elites in the middle of the twentieth century. Polk's genealogy of the national motto, "In God We Trust," revises the very meaning of the contemporary American nation. Polk shows how Presidents Franklin D. Roosevelt, Harry S Truman, and Dwight D. Eisenhower, working with politicians, advertising executives, and military public relations experts, exploited denominational religious affiliations and beliefs in order to unite Americans during the Second W...