"Estados Unidos" . . "États-Unis" . . "United States" . . "United States." . "États-Unis - Histoire constitutionnelle." . . "Civics." . . "USA." . . "Stati Uniti d'America - Politica." . . "Politiek." . . . . . . . . . . . . . . . . . . . . . . "Understanding american government" . . "Understanding American government" . . . "Understanding American Government" . "Understanding American Government"@en . . . . "Lehrbuch" . . . . . . . . . "Staatsinrichting." . . "Verenigde Staten." . . "Politisches System." . . . . "Demokratie." . .