Mexico has the greatest number of diversity of animals and plants. That's why its an megadiverse country.
One of the main reasons, I think, that they revolted was because the British had put a lot of taxes on the goods of the American colonists. One of the big things they taxed was tea. I think that if the British would have gone lighter on the taxes, especially the tea ones, the movement might have not happened.
Tea was a big thing at the time so obviously if they had to pay taxes for something they truly loved, it would make them upset.
I hope this helps, I’m not sure exactly when the question you’re asking is about but I tried :)
Fish, Arthropods, Amphibians, and Reptiles all evolved during the Paleozoic Era.
Hope this Helps!
High lattitudes is the answer