I think it is a good idea to host the Olympic Games. The Olympics are a world-wide sports competition hosting over 200 countries, the Olympics are a good way to get the world united even in crisis to have multiple sports competitions.
D. Poland - If I'm wrong I'm sorry.
Answer: 1941
Explanation: The Mustang first flew in October 1940, entered production in May 1941, and began combat operations with the RAF in April 1942.