The United States as a melting pot in world history

Youman, KatherineLeón Vélez, María VerónicaVanegas, María Bernardita2014-06-272014-06-272003http://dspace.ucuenca.edu.ec/handle/123456789/15954application/pdfspaopenAccesshttp://creativecommons.org/licenses/by-nc-sa/3.0/ec/Enseñanza del InglésAprendizajeHistoriaThe United States as a melting pot in world historybachelorThesis