I Think its C...Im not sure. e.e
The United States first began developing nuclear weapons in 1939, during World War II, under the order of President Franklin Roosevelt. Motivation was the fear that US was engaged in a race with Nazi Germany to develop nuclear weapon. This project is best known as Manhattan Project.
1. The Aztec were polytheistic
2. The Aztec built pyramids to honour their gods
3. The Aztec believed in an afterlife