Final answer:
During the 1930s, women achieved the greatest economic success in Russia due to the state-controlled economy and rapid industrialization, which offered more opportunities for women.
Step-by-step explanation:
In the 1930s, the country where women achieved greater economic success was Russia. Although all the nations mentioned were impacted by the economic challenges of the 1930s, Russia was known for its state control and a centrally commanded economy which began in 1928. During this time, the Soviet Union aimed to rapidly industrialize, which created opportunities for women in the workforce, especially during World War II when men were conscripted into military service.
In contrast, the other nations had different economic and social climates. In Germany, the early 1920s saw a period of hyperinflation, significantly destabilizing the economy. The United States experienced severe depression throughout the 1930s until the economic boom brought on by World War II. Italy, under Mussolini's fascist regime, began direct intervention in the economy by the mid-1920s, which did not necessarily translate into greater economic success for women.