Answer:
to stopped the war and help for keeping peace environment and peace in the world
It got much bigger and the air quality got better.
<span> Persia, Egypt, Syria, Mesopotamia, Bactria, and the Punjab; in Egypt he founded the city of Alexandria.
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That would be 4 Japan, where they dropped the two nuclear bombs in Nagasaki and Hiroshima
The US government's decision to develop a hydrogen bomb, first tested in 1952, committed the United States to an ever-escalating arms race with the Soviet Union. The arms race led many Americans to fear that nuclear war could happen at any time, and the US government urged citizens to prepare to survive an atomic bomb.