Question

Why did einstein write a letter to the american president roosevelt?

Answer 1

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Einstein wrote a a letter to Franklin D Roosevelt ,the American president and warned him that a single nuclear bomb would make a mass destruction. ... It was the fact that the Nazis had the ability to develop the atomic bomb. It could destroy the whole world. So he warned Franklin D Roosevelt in his letter.

Answer 2

Answer:

When the Nazis came to power in Germany, Einstein emigrated to the United States of America. Five years later, the discovery of nuclear fission in Berlin had American physicists in an uproar. Many of them had fled from Fascism, just as Einstein had, and now they were afraid the Nazis could build and use an atomic bomb. Einstein wrote a letter to Franklin Roosevelt to warn him of the consequences of the explosion of an atomic bomb.