"For Hofler and Wikander, it was inconceivable that the "light" and noble Indo-Europeans that the nature mythologists and order ideologists had reconstructed had been able to conquer most of Eurasia. In order to carry out such a deed, they reasoned, the Indo-Europeans would mainly need not a high-standing culture, but a barbaric primal force, a force like the one the Germans had had during the Great Migration. As a commentary to Wikander's book about the Iranian male-fellowship god Vayu, Hofler writes that "the Indo-European expansion toward Asia has the same form of political structure as the later Germanic expansion, the Germanic kingdom of Wodan bears similar strengths as the first heroic age of the Indo-Europeans." According to Hofller it is only in light of the research on male fellowships and the "the discovery of the ur-Indo-German social structure" that the expansion can be understood. In Der arische Mannerbund, Wikander writes something similar: "The Maruts reflect the warrior aspect, which the male fellowships of the Aryan tribes had developed preferentially during the age of migration and conquest." Hofler and Wikander argues that the model of conquest that had been developed to explain the fact that the Indo-European languages were spread across Europe and Asia at the dawn of history required the Indo-Europeans to be exceptionally dynamic and uninhibited warriors (Arvidsson 2006, p. 222)."