Some recent work by E. Fermi and L. Szilard, which has been communicated to

me in manuscript, leads me to expect that the element uranium may be turned
into a new and important source of energy in the immediate future. . . . This
new phenomenon would also lead to the construction of bombs, and it is
conceivable-though much less certain-that extremely powerful bombs of a
new type may thus be constructed.
- Albert Einstein, in a letter to President Franklin Roosevelt, August 2, 1939
How did the president respond to Einstein's letter?
(1 point)
By declaring war on Germany to prevent it from developing nuclear
capabilities.
By starting the Manhattan Project to construct nuclear weapons before other
countries.
By proposing the Lend-Lease Act to provide immediate wartime aid to the
Allied powers.
By sharing research with the Soviet Union to speed up the creation of a bomb.

The correct answer is: By starting the Manhattan Project to construct nuclear weapons before other countries.