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Triggered the start of World War II by provoking Allied action. -
Turned Germany’s aggression into a global conflict. -
Showed Germany’s fast and powerful blitzkrieg tactics. -
Saved Allied troops so they could keep fighting. -
Stopped Germany from invading Britain. -
Prepared the U.S. military for large-scale war. -
Supplied Allies with weapons and resources to keep fighting. -
Forced the United States into the war. -
Shifted the balance toward the Allies -
Expanded the war across Europe and the Atlantic. -
Stopped Japanese expansion and was the first carrier-based naval battle. -
Weakened Japan’s navy and turned the Pacific war. -
Gave the Allies control of key territory and supply routes. -
Removed Italy from the Axis and opened a new front. -
Allowed Allies to liberate Western Europe. -
Revealed the full horror of the Holocaust. -
Germany’s last major offensive failed. -
Planned the end of the war and postwar Europe. -
Marked the defeat of Nazi Germany. -
Set terms for Germany and postwar reconstruction. -
Demonstrated devastating new warfare and pressured Japan to surrender. -
Confirmed the U.S. resolve and hastened Japan’s surrender. -
Officially ended World War II.