Europe in an Age of Total War: World War II,1939–45 579opinion worldwide—Joachim von Ribbentrop, after all,
was also the author of the largest anti-Communist al-
liance in the world, the Anti-Commintern Pact linking
Germany, Italy, and Japan. The stunned silence did not
last. A few days after concluding this treaty, Hitler used
a dispute over Danzig as his excuse to send an army of
1.25 million men into Poland. Two days after the inva-
sion began in September 1939, Britain and France de-
clared war on Germany.
The Years of Axis Conquest, 1939–42
The war in Poland showed that technology had again
changed warfare. The use of tanks and airplanes to sup-
port an invading army created a powerful offensive
force, in contrast to the defensive war of barbed wire
and machine guns fought in 1914–18. Even the infantry
had changed, with mechanized units able to move
rapidly. The German army (the Wehrmacht) possessedDANZIGMEMELITALYFRANCELUX.BELGIUMNETH.NORWAYSWEDENDENMARKGERMANYESTONIALATVIALITHUANIAGREECE(ALBANIA)TURKEYBULGARIAROMANIAYUGOSLAVIAHUNGARY(AUSTRIA)(CZECH.)
SLOVAKIASOVIET
UNIONPOLANDSWITZ.GERMANYStockholmBerlinAmsterdamBrusselsBernLocarno
FiumeRomeBelgradeSofiaBucharestVienna
BudapestIstanbulMoscowWarsawCopenhagenPragueCorsicaSardiniaSicilyCorfu
AthensNurembergNorth
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rR.0 200 400 Miles0 200 400 600 KilometersGermany
German advances:
Reoccupied Rhineland, March 1936
Annexed Austria, March 1938
Annexed Sudetenland, October 1938
Occupied Bohemia and Moravia,
March 1939Annexed Memel, March 1939( )Italy
Annexed Albania, April 1939
Poland and Hungary
Annexed Czech territory, 1938 and 1939
Former independent nations: Albania,
Austria, and CzechoslovakiaMAP 29.1
The Road to War, 1936–39