The exact date is unknown but between 550 bc and 539 bc.
Hitler needed a way to blame all of Germany's problems on something, by doing this he could alienate the Jews and justify his hatred towards them
Germany and Soviet Union
(They did not declare war on the Soviet Union though)
Answer:
All of the above
Explanation:
The Manhattan Project was a collaboration effort made by allied forces to develop a nuclear bomb. When they were finally successful, they used the bombs on Hiroshima and Nagasaki which caused Japan to surrender.