sentences:  However, its overall success managed to divide the region into new political units.Spanish policies and economic conditions forced many of the natives here to crowd together in certain areas, with Huastecs and Nahuas together in Ozuluama, Tantoyuca, Tamiahua and Tuxpan, and Nahuas and Otomis in Chicontepec and Huejutla.The new political units brought in other indigenous groups not normally part of the Huasteco, such as the Pames in the Sierra Gorda of Querétaro.