ha ha. No, I'm not an HOI player.
In the official 1940 census, US had a population of 132,000,000. Nearky double the 70,700,00 in Germany in 1940, and not that far from the 170,500,000 (1939) of the USSR. The total population of the British Empire in 1939 was 545,000,000. The US has the...