(A) ** To develop an atomic bomb
(B) To devise a strategy for invading Japan
(C) To build and launch aircraft carriers from New York harbor
(D) To defend New York City from german submarine attacks
EXPLANATIONS BELOW
Concept note-1: -On December 28, 1942, President Roosevelt authorized the formation of the Manhattan Project to combine these various research efforts with the goal of weaponizing nuclear energy.
Concept note-2: -Eight months after the United States entered World War II, the federal government launched the Manhattan Project, an all-out, but highly secret, effort to build an atomic bomb – and to build one before the Germans did.
Concept note-3: -President Truman authorized the use of the atom bombs in an effort to bring about Japan’s surrender in the Second World War. In the days following the bombings Japan surrendered. The Manhattan Project was the US government program during World War II that developed and built these first atomic bombs.
Concept note-4: -Manhattan Project, U.S. government research project (1942–45) that produced the first atomic bombs. American scientists, many of them refugees from fascist regimes in Europe, took steps in 1939 to organize a project to exploit the newly recognized fission process for military purposes.
Concept note-5: -Background Information: The U.S. Department of Energy (DOE) traces its origins to World War II and the Manhattan Project effort to build the first atomic bomb.