Well taken care citizens are more productive (yet can revolt better) https://m.youtube.com/watch?v=rStL7niR7gs

A next generation open source ww2/propeller combat flight sim from the community by the community. Sims (of any type) are a captive market so they are barely what they could be in this day and age. Open source sim and libraries could help in “pulling a Blender” with a next gen engine like Bevy engine.