Why a stable civilization is more likely to have a golden age than an unstable civilization.

stable civilizations most of the time don't need to worry about things like poverty, or sickness. those are things unstable civilizations do need to worry about. When a civilization is stable, they have more time on their hands to create innovations and work. Meanwhile unstable civilizations will need to be worrying about all the things they need to fix.

Explanation:

Good luck :)

federal power is further limited with a system of checks and balances that gives each branch of government a measure of power over the others.

explanation:

so they can defeat there oppenent