What were the key factors in the american victory?

British Debt. Ironically, this was one of the key factors that caused the revolution in the first place. Britain had acquired a massive debt fighting the French and Indian War. It attempted to pay down that debt by taxing colonists through the Stamp Act,generating far more resentment than revenue.

That president would be none other than president warren g harding , return to say of life before wwi

From mexican american war , us gained new mexico.