I don't mind it going off-topic because it's getting more interesting. You question whether Germany could have successfully invaded us across just 21 miles with total command of the air, yet the American/British Empire forces achieved it with neither of these huge advantages. As for food...
That has been my understanding too, and I usually cringe when I hear or read about Tim Berners-Lee being the inventor. He did invent the time - saving hyperlink though, I think in callaboration with BT. Didn't Britain have more to do with the WWW, i.e. the actual network of connected computers...
On a current thread I was surprised to read this:
Welcome as it undoubtedly was to the majority of the population, I can think of several other things. I'll start in the pre-world war era and propose that the greatest achievement was the maintenance of the British Empire, which ruled a quarter...