Sin further argues that this was associated with the replacement of the previous elite in some principalities (including Daegaya) by elements from the Buyeo kingdom, who brought a more militaristic ideology and style of rule.
Sin hævder endvidere, at dette var forbundet med udskiftningen af ​​den tidligere elite i nogle fyrstendømmer (herunder Daegaya) med elementer fra Buyeo-riget, der medbragte en mere militaristisk ideologi og styreform.