The answer should be out of the ones on the abc list so the answer you need to choose is d
Answer:
1939: Hitler invades Poland. Hitler's invasion of Poland on 1st September 1939 marked the beginning of WW2 in Europe.
1940 (1): Rationing. ...
1940 (2): Blitzkrieg. ...
1940 (3): Churchill Becomes Prime Minister. ...
1940 (4): Evacuation of Dunkirk. ...
1940 (5): Battle of Britain. ...
1941 (1): Operation Barbarossa. ...
1941 (2): The Blitz.
Explanation:
Answer: D. Regulations
Explanation: Just took the quiz on A P E X.