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WW II: Behind Closed Doors

Stalin, the Nazis and the West

Maps

This section uses maps to let viewers delve into the stories told in WWII Behind Closed Doors. Explore the meetings between Winston Churchill, Franklin D. Roosevelt, and Joseph Stalin through an interactive map in "The Conferences." Learn about the war that Stalin "the great leader and ruthless dictator" fought on the eastern front in "The Struggle for Poland," "Stalin Stands Alone,' and "Prelude to the Cold War." See the dangerous routes American ships, planes, trains, and trucks took to supply the Allies, particularly Great Britain and the Soviet Union, in "Supplying the Allies."

Stalin Stands Alone

Germany Invades the Soviet Union

Germany Invades the Soviet Union

On June 22, 1941, Germany launched the largest land invasion in world history, codenamed Operation Barbarossa, as 3,000,000 troops and 3,600 tanks, with cover from 2,700 aircraft, swarmed eastward across Poland, Belorussia, and the plains of the Ukraine.

Siege of Leningrad

Siege of Leningrad

When German forces reached the Soviet city of Leningrad in September 1941, Hitler demanded that the city be cut off from food and supplies and razed to the ground. For 900 days, the Germans laid siege to the city as hundreds of thousands of residents died.

Battle of Moscow

Battle of Moscow

On October 2, 1941, Hitler launched a ferocious attack on Moscow, the Soviet capital, in hopes of quickly winning the war before winter. Inside Moscow, Stalin demanded that his army defend the city and ordered his secret police to shoot Soviet soldiers who retreated.

Battle of Stalingrad

Battle of Stalingrad

In the battle that turned the tide of the war on the eastern front, millions of Red Army and Axis troops fought for months in and around Stalingrad, in the Soviet Union. When it was over, the world realized, for the first time, that Hitler was not invincible.

Battle of Kursk

Battle of Kursk

The German offensive against the Soviets at Kursk in July 1943 led to an 1,800-tank battle, the largest of the war, and a standoff that Hitler could no longer afford. After Kursk, the Nazis would never again dominate on the eastern front.

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Struggle for Poland

Independent Poland, 1921–1939

Independent Poland, 1921–1939

The Treaty of Versailles that ended World War I acknowledged Poland as an independent state but left some of its borders unsettled. The Peace of Riga, signed on March 18, 1921 after the Polish-Soviet War, established Polish borders that would hold until September 1939.

Poland Divided, 1939–1941

Poland Divided, 1939–1941

After invading Poland in September 1939, Germany and the Soviet Union divided the country as they had agreed the previous month. Germany then further divided its section into two parts – a resettlement area for Germans and a labor colony.

Poland Post-WWII

Poland Post-WWII

The borders of Poland were reshaped again after the war to the specifications agreed to by Allied leaders. The Soviet Union took Poland's eastern territories, while Poland itself was given land in the west from Germany.

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Prelude to the Cold War

Berlin Divided Post-WWII

Berlin Divided Post-WWII

At the Yalta and Potsdam conferences in 1945, Great Britain, the United States, and the Soviet Union decided that post-war Berlin and Germany would each be divided into four zones of occupation overseen by the three Allies and France.

Germany Divided Post-WWII

Germany Divided Post-WWII

With Germany divided into four zones of occupation after the war, the city of Berlin lay entirely within the Soviet sector. As tensions grew between the Western Allies and the Soviet Union, Berlin became a lightning rod for international Cold War tensions.

Soviet Influence in Europe Post-WWII

Soviet Influence in Europe Post-WWII

As the war ended, Stalin worked to encourage and install Communist governments in the eastern Europe countries that the Red Army had "liberated" from the Nazis. In the years that followed, what Winston Churchill dubbed the "Iron Curtain" fell across a divided Europe.

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Supplying the Allies

U.S. Lend-Lease Routes

U.S. Lend-Lease Routes

The March 1941 Lend-Lease Act allowed the United States to ship military equipment, food, fuel, medical supplies, and services to its allies. In the next five years, the U.S. sent almost $51 billion worth of matériel to countries battling the Axis powers.

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The Conferences

Major WWII Conferences

Major WWII Conferences

British prime minister Winston Churchill, U.S. president Franklin D. Roosevelt, and Soviet leader Joseph Stalin held a number of high profile meetings throughout the war. This map highlights the thirteen major Allied conferences held between August 1941 and July 1945.