Question

what was the outcome of Einstein's letter which he what to the American president rosswelt did his warning has any impact on America​

Answer 1

Explanation:

The Einstein Szilard letter to president Roosevelt changed the course of history by prompting American Government involvement in nuclear research.The letter led to the establishment of the Manhattan Project.By the summer 1945,the United states had built first atomic bomb

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Answer 2

Answer:

Einstein wrote a secret letter of the American President Franklin D Roosevelt. His words did not fail to have an impact. The American developed the atomic bomb in a secret project and dropped it on the Japanese cities of Hiroshima and Nagasaki in August 1945 destroying it completely.