Answer: No.
Explanation: The underground railroad was neither a railroad or underground. It consisted of escape routes, meeting points, and safe houses.
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The new technology that allowed the Allies to more effectively bomb the Japanese main land, was the capacity of the B-29. If we look at the other ones, we see that all that stuff already exist before the war.
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Strong dislike- thought he was more powerful than all, and wanted nobody else to have any power.