 Complete the following phrase:  Tolerance of sexual diversity in certain indigenous cultures is widespread, especially among Isthmus Zapotecs and Yucatán Mayas. As the influence of foreign and domestic cultures especially from more cosmopolitan areas like Mexico City grows throughout Mexico, attitudes are changing. This is most marked in the largest metropolitan areas, such as Guadalajara, Monterrey, and Tijuana, where education and access to foreigners and foreign news media are greatest. Change is slower in the hinterlands, however, and even in large cities discomfort with change often leads to backlashes. Since the early 1970s, influenced by the United States gay liberation movement and the 