Collective Security – A League of Nations principle where countries were expected to defend each other against aggressors, but it often failed.
Imperial Preference – A British trade policy favoring its empire, which excluded other nations and worsened tensions with Italy and Germany.
Corfu Incident – Italian general was killed in Greece and Mussolini demanded compensation and took over Corfu.
Stresa Front – Britain, France, and Italy agreed to oppose German rearmament, but it collapsed after Italy invaded Abyssinia.
Wal-Wal Incident – Clash between Italian and Ethiopian forces at a border oasis; Italy used it as a pretext to invade Abyssinia.
Abyssinia – Italy invaded Abyssinia to build an empire, and the League's weak response showed the failure of collective security.
Italian East Africa – A colony formed by uniting Abyssinia, Eritrea, and Somaliland after Italy’s conquest of Ethiopia.
Pact of Steel – A 1939 military alliance between Italy and Germany that committed both to mutual support in case of war.
Appeasement – Britain and France allowed Hitler to break treaties to avoid war, which encouraged further aggression.
Autarky – Economic self-sufficiency policy used by Italy and Germany to prepare for war and avoid reliance on imports.
Lebensraum – Hitler’s goal to expand German territory eastward to gain “living space” for the Aryan race.
German Rearmament – Hitler rebuilt Germany’s military in violation of Versailles; Britain and France did little to stop it.
Saar Plebiscite – The Saar region voted to rejoin Germany in 1935, giving Hitler a peaceful propaganda victory.
Rhineland – Hitler remilitarized the Rhineland in 1936; France and Britain did not intervene, encouraging further moves.
Anschluss – Germany annexed Austria in 1938, violating Versailles; no action was taken by Britain or France.
Sudetenland – Hitler demanded this region of Czechoslovakia; it was handed over to Germany after the Munich Conference.
Munich Conference – Britain and France let Hitler take Sudetenland to avoid war, ignoring Czechoslovakia’s protests.
Rome-Berlin Axis – A 1936 agreement linking fascist Italy and Nazi Germany, forming the core of the Axis Powers.
Nazi-Soviet Non-Aggression Pact – Germany and the USSR agreed not to attack each other and secretly divided Poland.
Polish Crisis – Germany invaded Poland in 1939 after failed demands; Britain and France declared war, starting WWII.