It is protected by the fact that it has a system of separation of powers with three branches that control each other and prevent tyrannical behavior from a single branch. They are also separated into local provinces and autonomous regions that are ruled by small scale governments that have some degree of independence and that could easily oppose a new form of tyrannical government.
Miami since it’s closer to the ocean and has a wetter area. Denver is almost in the middle of the US so it is pushed towards snow mostly.
The immediate cause was because President Carter decided to allow Iran's desposed Shah into America so he could receive cancer treatment.
They follow strategies for resource management.
They distribute forest use benefits fairly.
The protect habitats.
I hope this helps!