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.
President Reagan won the 1984 reelection by a huge landslide given that he won in 49 states out of 50 states. This was in the backdrop of a booming economy that made the electorate confident in his leadership. He received the highest electoral votes in the history of the country