At the Potsdam conference, Truman, Atlee and Stalin decided to

Truman, Marshal Joseph Stalin, and Prime Minister Winston Churchill (replaced midway by the newly elected Clement Attlee) met to reach accord on postwar Germany and the Pacific war. The "big three" confirmed a decision, made at Yalta, to divide Germany into British, American, Russian, and French occupation zones.

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2. a land bridge connected asia and north america thousands of years ago.

4. crossing the land bridge would have been simple for the first migrants.

5. people might have crossed a land bridge while hunting animals.