The answer is fur trading
The result of the big three alied leaders at yalta was, they agreed that Germany will be divided into four zones , it capital Berlin will also be divided
<h3>Demilitarization and Denazification of Germany</h3>
The allied big three leader are Roosevelt leader of the United States, Churchill British Prime Minister and Stalin Soviet union leader, the meeting took place at Yalta during the second word war.
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Anyone willing to work on and improve the land. D. The Homestead Act
Chinese River Valley civilization<span>although it was from 8000 to 2000 BCE
They used the river for irrigation and they raised pigs and chickens. Used stone tools</span>