 In the 1930s, she began making annual trips to the United States to foster good relations between the two countries.As the hostess of a diplomatic salon, she was an influential political actor and as a journalist she interviewed people of interest, like Engelbert Dollfuss, Hitler, and Mussolini, on whom she spoke in the United States.In the early 1930s, she began publishing political biographies in English, including one on Aristide Briand, "Briand—Man of Peace" (1930), based on a series of interviews with the subject and one on John Paul Jones, "Knight of the Seas" (1939), based on material from French archival records.