The popular fronts were constituted from the 1930s on political alternatives to face the advance of fascism that acquired a significant number of followers and took over the ideological and political tendencies of Europe, especially in Germany and Italy. In Panama, the Popular Front emerged, temporarily, in 1936 when they make an alliance Liberal Renewal Party of Francisco Arias Paredes, the Liberal Doctrinario of Domingo Díaz Arosemena, the Liberal Democrat of Enrique Jiménez, the Socialist Party led by Demetrio Porras, the Communist Party and for a fraction of Community Action. This group of parties will form an alliance to combat the candidacy of Juan Demóstenes Arosemena, who, under the influence of Harmodio and Arnulfo Arias, demonstrates a fascist and totalitarian tendency in Panamanian politics. The purpose of this document is to describe, through existing literature and statements by popular leaders, the reactions of the country's democratic fighters, to the subjugation of powerful political groups that sought sectarian domination of the national situation. The method used for the investigation was the analytical-synthetic itself to investigate history. Where the whole is broken down into parts to know the economic, social, political and ideological roots of the events that occurred during the years that the research includes. Through the deduction-induction, the reasoning leading to the discussion and conclusion was obtained.