While I do agree for the most part, some countries which innovated/used resources/used labor better or at the same level as the US didn't have the ability to ju

While I do agree for the most part, some countries which innovated/used resources/used labor better or at the same level as the US didn't have the ability to just send their surplus labor westward to get some 'free' land. We'll never know how the Swiss would've done if they were able to get a population of 50 million.