The American School, elaborated in the nineteenth century by economists like Henry Carey (who advised President Lincoln), inspired the "American System" of Henry Clay and the protectionist import-substitution policies of Lincoln and his successors in the Republican party well into the twentieth century." — "Hamilton's Republic" Part III "The American School of National Economy" pp. 229–30.
A escola americana, creada no século XIX por economistas como Henry Carey (asesor do presidente Lincoln), inspiraban o "sistema amricano" de Henry Clay e as políticas proteccionistas de substitución de importacións ata ben entrado o século XX."(de "Hamilton's Republic" Part III "The American School of National Economy" pg.