Question

What was Einstein’s fear at the discovery of nuclear fission?What did he write to Roosevelt ?
​

Answer 1

Answer:

1939, he signed a letter addressed to President Franklin Delano Roosevelt, warning that the Nazis might be developing nuclear weapons. Einstein urged the United States to stockpile uranium ore and begin work on its own atomic weapons

please follow me

Answer 2

Explanation:

On Aug. 2, 1939, he signed a letter addressed to President Franklin Delano Roosevelt, warning that the Nazis might be developing nuclear weapons. Einstein urged the United States to stockpile uranium ore and begin work on its own atomic weapons.