Roosevelt authorized the dam project with National Industrial Recovery act money. (It was later specifically authorized by the Rivers and Harbors act of 1935, and then reauthorized by the Columbia Basin Project act of 1943 which put it under the Reclamation Project act of 1939.)
Hiroshima I think.
It was used to end world war 2.
Answer: The USA was afraid that communism would spread to South Vietnam and then the rest of Asia. It decided to send money, supplies and military advisers to help the South Vietnamese Government.
Explanation:
D, because the enlightenment was about science and the relationship between rulers and subjects is not going to be able to be solved by science. Hope it helps!