My 2 cents, some of the reasons America succeeds: (fact) America is a single market with a single language with basically a single set of regulations. Expansion is cheap in America. It makes a hell of a lot more sense to expand to another US city than it does to expand to Norway or New Zealand; but for a company in those countries, expansion is very expensive, expanding requires new laws, regulations, business entiti…
> (fact) Americans are ambitious to a fault. All 350 million of them? And if you mean 'some of them are ambitious', surely you will have to accept that there are people in other countries who also share that property?
Americans tend to be optimistic and positively inclined towards entrepreneurship. This is often refected in business practices and regulations.