Kammala wannan jumla: Da yawa daga cikin masu zane-zane na Mexican na bayan-
Shekaru da yawa na juyin juya hali sun yarda cewa amincewar gwamnati ta yin amfani da fasaha don ilimantar da jama'a marasa ilimi shine yarda da yarda don samar da zane-zane da ke nuna akidar kwaminisanci. Jigogi na juyin juya hali da kwaminisanci sun haɗu a cikin ayyukan da yawa na lokacin. Amma shekarun 1930 sun kasance lokutan tashin hankali, 'yan gurguzu na Mexico wani lokacin sun rungumi wasu kuma ba a rungume su ba daga takwarorinsu na Amurka da na Soviet. Brenner ya kasance mai tausayawa, kamar sauran " avant<unk>garde " na Mexico, waɗanda a wasu lokuta membobin Jam'iyyar Kwaminis ne kuma a wasu lokuta ba haka ba. A cikin 1926 lokacin da aka ƙaddamar da mujallar "New Masses", an sanya Brenner a matsayin abokin tafiya, amma ba memba na jam'iyyar ba.