The Manhattan Project was B) The plan to develop atomic bomb.
The Manhattan Project was an examination/advancement project to construct the first nuclear weapons. During the date of the testing, World War II was taking place. A pair of atomic devices were made during the war, but that is not all the project consisted of. Another part of the project centralized on gathering knowledge of the German nuclear weapon project as well.
After a fierce debate in Congress, in November of 1939, a final Neutrality Act<span>passed. This </span>Act<span> lifted the arms embargo and put all trade with belligerent nations under the terms of “cash-and-carry.” The ban on loans remained in effect, and</span>American<span> ships were barred from transporting goods to belligerent ports.</span>
I believe the answer is: oil and electricity
