Cinema of Argentina because harassment led to the exile of a number of prominent actors, among them Alberto de Mendoza, Arturo García Buhr, Niní Marshall and Libertad Lamarque, whose rivalry with her colleague Eva Duarte turned against her when the latter became First Lady in 1946. Argentine cinema began losing viewership as foreign titles gained an increasing foothold in the Argentine market. The problem eventually became so bad that Argentina tried to curb the influx with the Cinema Law of 1957, establishing the "Instituto Nacional de Cinematografía" to provide education and funding. Among the era's most successful films were: "Historia de una noche,"
Spiritual Leader of the Nation of Argentina many unofficial titles in addition to ""La Presidenta"", such as the "Lady of Hope", "First Samaritan", "Lady of the Descamisados", the "Rainbow of Argentina", and Santa (Saint) Evita. As the wife of the President, Eva, of course, held the title of First Lady. In 1951 the Peronist Party nominated Evita to run for the office of Vice President and Senate President of the Argentine Nation, but many issues such as opposition from the Argentine military, Perón's personal fear of political opposition to his wife, and especially her illness contributed to Eva withdrawing her candidacy. Without her uterine cancer, it seems