Canberra is the only one of those cities that is not coastal.
I’m assuming you’re talking about the Spaniards and the Aztecs. If not correct me and I’ll fix the answer. Basically it was, Disease (smallpox) More advanced weapons. The spanish language. Catholicism. Domestic animals, sugar, grain, and they helped end the practice of human sacrifice.
1917 fountain sculpture by Marcel Duchamp
Manufacture goods weapons, and even liquor. Second they transported men, women, and kids to serve as slaves. Third,the exported to europe
The answer is Galileo, however, a scientist much earlier then Galaleo, named Anaxagoras also discover this. However, I believe credit is given to Galileo.