Kammala jumla mai zuwa: Aikinsa ya shafi kansa tare da ilimin al'ummar Mexico. Yana ganin "pelado", "ƙauyen birni" na 1920s da 1930s, a matsayin "mafi mahimmanci kuma a bayyane yake nuna halin al'umma". Machismo na pelado, ya yi jayayya, shine sakamakon ƙarancin rashin ƙarfi (bisa ga ra'ayin Alfred Adler) kuma, tunda pelado yana wakiltar duk ƙasar, "binciken halin" ya faɗaɗa zuwa duk ƙasar Mexico, kuma yana ɗaya daga cikin na farko bayan-
Ƙoƙarin juyin juya hali don ayyanawa da kuma kimanta halin al'umma.