All of your themes are pretty connected, even the honorable mention if you take a generous view of human society. Environmentalism, medical advancements, building cities, industry for products, farming for food, it all comes back to your top pick, Civilization. It's interesting how thematically they all come together. Clearly you are most engaged when you are building up a society of people from nothing to a booming society, which is cool.
All of your themes are pretty connected, even the honorable mention if you take a generous view of human society. Environmentalism, medical advancements, building cities, industry for products, farming for food, it all comes back to your top pick, Civilization. It's interesting how thematically they all come together. Clearly you are most engaged when you are building up a society of people from nothing to a booming society, which is cool.
That is very true, thanks for your observation!