President Roosevelt approved of the funding for the Manhattan Project to build the atomic bomb after receiving a letter from Albert Einstein Enrico Fermi Robert Oppenheimer Adolf Hitler

What did President Harry Truman say was his reason for giving the order to use the atomic bomb? To save lives by ending the war as quickly as possible To demonstrate the weapon's power to the Soviet Union As an act of justice in response to the Pearl Harbor attack He believed it was what Franklin Roosevelt would have wanted.

Which historical figure developed scientific theories that were essential to the development of the first atomic bomb in the United States?A.Winston ChurchillB.Harry TrumanC.Albert EinsteinD.Franklin D. RooseveltSUBMITarrow_backPREVIOUS

What is the Manhattan Project?

During World War II, the National Defense Research CommitteeMultiple Choicereceived more private funding than government money.concentrated its work on developing an atomic bomb.had, by 1941, pushed the United States into a position of technological superiority over Germany.funded less research than its predecessor had during World War I.spent more than $100 million on research.

Harry Truman's motives for using the atomic bomb against Japan included hisResponsesHatred for the Japanese and his desire to totally destroy them.Hatred for the Japanese and his desire to totally destroy them.Desire to end the war quickly to save American lives.Desire to end the war quickly to save American lives.Mistaken belief that civilians would not be killed.Mistaken belief that civilians would not be killed.Intelligence reports that asserted Japan was close to completing an atomic bomb of their own.