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Write in English so a lot of people can understand you and help you
Answer:
B. Hear Opposing Viewpoints
Explanation:
Answer:
More European Countries began to copy the imperialist model developed by earlier empires.
After the Soviets successfully detonated an atomic bomb in 1949, President Harry S. Truman ordered the creation of a hydrogen bomb project. With the help of the Polish mathematician Stanislaw Ulam, Dr. Teller developed a model for the hydrogen bomb known as the Teller-Ulam design