Treaty of Versailles: The Treaty of Versailles was a peace treaty signed in 1919 that officially ended World War I. It imposed harsh terms on Germany and played a role in shaping the geopolitical landscape and tensions leading up to World War II.
Great Depression: The Great Depression was a severe worldwide economic downturn that lasted from 1929 to the late 1930s. It resulted in mass unemployment, poverty, and significant challenges for governments around the world.
Cold War: The Cold War refers to the period of political tension and rivalry between the United States and Soviet Union (USSR) after World War II until the early 1990s. It involved ideological conflicts, proxy wars, arms races, and fears of nuclear annihilation.