sebanaj
Prince
I think it would be better if actually you can't see what to choose, but when you spend on education and culture: the people will decide what to investigate. So, according to culture, literacy and education, you'll be advancing faster or slower; but the people decides what they research, depending of some factors: like geographical characteristics, civ traits, etc.
Usually were the people who invented things in history...
Usually were the people who invented things in history...