The events of 1949 had caused tensions to rise between the United States and The Soviet Union to some extent, because of the Yalta conference making the soviets have a large part of Germany, and the Soviets believed that they had helped in both the west and East front wars with their part in the attack on japan. However, the two countries were still able to coexist during this time quite well.
I think the answer should be deforestation.
Answer:
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Purpose of the Berlin Conference
In 1884 at the request of Portugal, German chancellor Otto von Bismark called together the major western powers of the world to negotiate questions and end confusion over the control of Africa. Bismark appreciated the opportunity to expand Germany's sphere of influence over Africa and desired to force Germany's rivals to struggle with one another for territory.
At the time of the conference, 80% of Africa remained under traditional and local control. What ultimately resulted was a hodgepodge of geometric boundaries that divided Africa into fifty irregular countries. This new map of the continent was superimposed over the one thousand indigenous cultures and regions of Africa.
