Explanation:
A democractic republic is a form of goverment operating on pricciples adopted from a republic and a democracy.
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.
They had both protested/sided against their government
