read the excerpt from a letter from Albert Einstein two President Franklin Roosevelt "some recent work by E. Fermi and L.Szilard, which has been communicated to me in manuscript,..." -Albert Einstein, in a letter to President Franklin Roosevelt, August 2, 1939. how did the present respond to Einstein's letter?
A) by starting the Manhattan project to construct nuclear weapons before other countries
B) but declaring war on Germany, to prevent it from developing nuclear capabilities
C) by proposing the lend-lease act to provide immediate wartime aid to the allied powers
D) by sharing research with the Soviet union to speed up the creation of a bomb