Question

why did Einstein write a letter to franklin roosevelt​

Answer 1

Answer:

In August 1939, Einstein wrote to U.S. President Franklin Roosevelt to warn him that the Nazis were working on a new and powerful weapon: an atomic bomb. Fellow physicist Leo Szilard urged Einstein to send the letter and helped him draft it.

hope it's helpful........

Answer 2

Answer:

Because America was developing atom bombs at that time and Einstein Knew What a massive damage can be caused by them

So He wrote a letter to America's president Franklin Roosevelt To Stop developing Atom Bombs