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Which Commonwealth country contributed the most to the Allied air effort in WW2?

  1. Britain

  2. Australia

  3. Canada

  4. India

The correct answer is: Canada

While Britain was heavily involved in the Allied air effort during WW2, the country that contributed the most was actually Canada. Canada trained and provided more than 167,000 aircrew to the effort, making up more than a quarter of the total Allied aircrew. This was a significant contribution in comparison to other Commonwealth countries, such as Britain and Australia, who each contributed around 125,000 aircrew. India, on the other hand, only contributed around 10,000 aircrew to the Allied air effort. Therefore, while all of these Commonwealth countries played a role in the Allied air effort in WW2, Canada's contribution was the largest.