Answer:
D (it's a sort of trick question
Explanation:
here ya go ;)
Answer:
When Japan threw a surprise attack on Pearl Harbor and many soldier's lives were lost.
Explanation:
It was a new american policy that the president passed.
Robert Oppenheimer, was brought in for the Manhattan Project. Top Secret, they were worried about him at first, but realized he was a genius. What is the Manhattan Project? The race to build the world's first atomic bomb during World War 2. Robert Oppenheimer was called in to be the main man to basically make the atomic bomb real.