Premise: Worst of all, the Kamakura warriors, resenting the way the Kyoto court referred to them as  Eastern barbarians,  sought refinement in a ruinous taste for  extravagant feasts, rich costumes, and opulent homes.

Hypothesis: Sick of being referred to as barbarians, the Kamakura warriors wanted to improve their imagine by doing things to appear more upscale.
Relation: neutral