Not knowing what to do, she took her friend Lincoln Steffens' advice and in 1921 travelled to Poland and Russia serving as a correspondent for the American Friends Service Committee. The reason she was going was to give the first foreign relief to the Volga famine victims. After a year of that, she was named Moscow correspondent for the International News Service. Strong saw many things in Europe which inspired her to write. Some of her works include "The First Time in History" (preface by Leon Trotsky) (1924), and "Children of Revolution" (1925). After remaining in the area for several years, Strong grew to become an supporter of socialism in the newly formed Soviet Union. In 1925, during the era of the New Economic Policy in the USSR, she came back to the United States to make businessmen interested in investing in industry and development in the Soviet Union. During this time Strong, also gave many speeches and became well known as an authority on "soft news" (such as how to get an apartment) about the USSR.