Now you might say, its would be pretty obvious that we're a comparatively primitive society. Maybe, maybe not. https://eyeofmidas.com/scifi/Turtledove_RoadNotT

Now you might say, its would be pretty obvious that we're a comparatively primitive society. Maybe, maybe not. https://eyeofmidas.com/scifi/Turtledove_RoadNotTaken.pdf https://eyeofmidas.com/scifi/Turtledove_RoadNotTaken.pdf