During World War I, she became a pacifist and used the print media to promote her views. She created advertisements and content for religious pages of Chicago, New York, and Washington newspapers. After the French and Belgian invasion of the Ruhr, Albert Einstein expressed his displeasure of the League of Nations' response. She sent a telegram to him in Berlin on April 12, 1923, thanking for his "stand for peace" and offered him a trip to the United States, with expenses paid by two peace societies.