凶残的创业私营企业背后是大量国家投资、担保和保护性关税，即亚历山大·汉密尔顿启发、亨利·克莱（Henry Clay）发扬光大的“美国体系 ” （ American System ） 。
And ferociously entrepreneurial private enterprise was supported by a broad array of state investments, guarantees, and protective tariffs, in accordance with the “American System” inspired by Alexander Hamilton and realized by Henry Clay.