This contribution deals with a number of strategies deployed by lay Catholic circles against what they considered to be the emergence of Marxism in the Church in Argentina in the 1960s. In particular, the practices deployed by the 'Crusade' group that later became "Tradition, Family and Property" (tfp) are analyzed. To this end, various kinds of materials are studied such as books, periodicals, pamphlets and flyers. Through these means, the hardliners sought to influence both the Catholic hierarchy and the general public opinion, through an increasing equal comparison of the terms "third-world", "communists" and "terrorists". That operation, in a scenario marked by an increasing social unrest, political confrontation and massive citizen participation, contributed to the polarization of positions, while reinforcing the link between religion and politics, –or the handling of one by the other -.