Because they where trading with them bringing in lots of money
<span>The Tokugawa Shoguns allowed trade with foreign traders and made large profits
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The original purpose of dropping atomic bombs were to, instead of sending in troops, drop an atomic bomb on your city of choice and wipe out everyone in a mile's radius. That is the short term effect. But the long term effects include nuclear radiation which poisons people in a much larger radius, while contaminating the environment for an extended period of time.
Hope this helps!
Tension increased in 1914 due to arms race but war was avoided because of the great powers stood together to make peace.
