There were smarter, more qualified people working for the government which lead to a stable government.
No in a lot of ways the founding fathers were trying to limit the power of the masses to choose who governed them by creating the electoral college creating a sort of parent organization capable of over ruling the wish of the people which in of its self is also a type of tyranny.
When they sailed to the Aztecs they brought smallpox and they accidently gave the natives small pox and it weakened them. and the conquistadors had better armor and weapons.
The 18th Amendment addressed the issue of alcohol