Question

what made Einstein write a letter to the American president​

Answer 1

Einstein wrote a letter to Franklin Roosevelt because he feared that the Nazis could make and use an atomic bomb . In his letter written on aug, 2,1939 he warned that a single bomb of this type if exploded in a port , might very well destroy the whole port together with some of the surrounding territory.

Answer 2

Einstein wrote a letter to Franklin Roosevelt because he feared that the Nazis could make and use an atomic bomb . In his letter written on aug, 2,1939 he warned that a single bomb of this type if exploded in a port , might very well destroy the whole port together with some of the surrounding territory.