All of the following decisions were made at the yalta conference except a. communism was to be established in cuba b. germany was to be divided into four zones c. free elections were to occur in eastern europe d. berlin was divided into four zones

The correct answer is A. The Yalta Conference established that Germany and Berlin would both be split into four occupied zones. The Conference also established that Free Elections were to occur in Eastern Europe. The Yalta Conference had nothing to do about Cuba, much less the illegal establishment of communism in it since the United States considered it a commonwealth at the time.

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explanation:

the addition to geographic boundaries that might have  kept the people of the huang river civilization from traveling to far distance region is that they had learned about the other river valley civilizations but feared contact would bring invasion.

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