World War 2

Causes of World War II

• Treaty of Versailles - Harsh penalties on Germany after WWI created resentment and economic hardship.

• Great Depression - Economic instability worldwide allowed totalitarian leaders to rise to power.

• Fascism - Totalitarian ideology emphasizing nationalism and military strength, led by figures like Hitler and Mussolini.

• Appeasement - Policy of giving in to aggressive demands (e.g., Munich Agreement) to avoid conflict.

• Invasion of Poland (1939) - Germany’s invasion led Britain and France to declare war, starting WWII.

Key Events of World War II

• Blitzkrieg (1939) - “Lightning war” tactic used by Germany to quickly conquer Poland, France, and others.

• Battle of Britain (1940) - Germany’s failed air campaign to subdue Britain.

• Pearl Harbor (1941) - Japanese attack on the U.S. naval base in Hawaii, prompting U.S. entry into the war.

• D-Day (1944) - Allied invasion of Normandy, France, marking a turning point in Europe.

• Hiroshima and Nagasaki (1945) - U.S. dropped atomic bombs on Japan, leading to Japan’s surrender and the end of WWII.

Key People

• Adolf Hitler - Dictator of Nazi Germany; initiated WWII and orchestrated the Holocaust.

• Winston Churchill - Prime Minister of Britain; rallied resistance against Nazi Germany.

• Franklin D. Roosevelt - U.S. president during most of WWII; led the nation through the Great Depression and war.

• Joseph Stalin - Leader of the Soviet Union; fought against Germany on the Eastern Front.

• Hideki Tojo - Japanese Prime Minister who led Japan during its aggressive expansion in Asia.

• Douglas MacArthur - U.S. General; led Allied forces in the Pacific.

• Harry Truman - U.S. president after Roosevelt; ordered the use of atomic bombs on Japan.

Theaters of War

• European Theater - Fighting between the Allies and Axis powers in Europe, including the invasion of Normandy and the fall of Berlin.

• Pacific Theater - Conflict between Japan and the Allies, including battles like Midway and Iwo Jima.

Key Alliances

• Allied Powers - United States, Britain, Soviet Union, China, and others.

• Axis Powers - Germany, Italy, and Japan.

The Holocaust

• Holocaust (1941–1945) - Systematic extermination of 6 million Jews and millions of others by Nazi Germany.

• Final Solution - Nazi plan to eliminate all Jews in Europe through mass murder.

• Concentration Camps - Facilities like Auschwitz used for forced labor and mass killings.

Technological Advancements

• Atomic Bomb - Developed under the Manhattan Project; ended the war in the Pacific.

• Radar - Used to detect enemy aircraft, crucial in the Battle of Britain.

• Codebreaking - Efforts like cracking the Enigma code helped the Allies defeat Axis strategies.

• Aircraft Carriers - Key naval vessels that revolutionized warfare in the Pacific.

Treaties and Agreements

• Non-Aggression Pact (1939) - Agreement between Germany and the Soviet Union to divide Poland; later broken by Germany.

• Yalta Conference (1945) - Meeting of Allied leaders to plan post-war Europe.

• Potsdam Conference (1945) - Final meeting of Allied leaders; demanded Japan’s unconditional surrender.

• United Nations (1945) - International organization established to promote peace and prevent future conflicts.

Impact of World War II

• Casualties - Over 70 million deaths, including civilians and military personnel.

• War Crimes Trials - Nuremberg Trials held Axis leaders accountable for war crimes and the Holocaust.

• Cold War - Rivalry between the U.S. and Soviet Union emerged as the dominant global powers.

• Decolonization - Collapse of European empires as colonies demanded independence.

• Marshall Plan - U.S. initiative to rebuild war-torn Europe and prevent the spread of communism.

Key Terms

• Totalitarianism - Political system where the state holds total authority over society, exemplified by Nazi Germany and Fascist Italy.

• Appeasement - Strategy of avoiding conflict by conceding to aggressor nations.

• Island Hopping - U.S. strategy in the Pacific to capture key islands and bypass heavily fortified ones.

• Kamikaze - Japanese suicide pilots who attacked Allied ships.

• V-E Day (1945) - Victory in Europe Day, marking Germany’s surrender.

• V-J Day (1945) - Victory over Japan Day, marking the end of WWII.