What happened between 1930 - 1940?

Between 1930 and 1940, the world experienced significant political, economic, and social changes, primarily marked by the Great Depression, which began in 1929 and continued throughout the 1930s, leading to widespread unemployment and poverty. In Europe, the rise of totalitarian regimes occurred, with Adolf Hitler coming to power in Germany in 1933 and the onset of fascism in Italy under Mussolini. Tensions escalated internationally, contributing to the outbreak of World War II in 1939 as countries began to take sides in the conflict. Additionally, significant cultural and technological advancements occurred during this period, influencing art, science, and public policy.