This review examines both the anthropological and international relations literature on collective understandings and peace interventions to identify their contributions, elucidate the current debates, emphasize the literatures' complementary and conflicting aspects, and shed light on their respective shortcomings. I first look at the top-down research, which focuses on two main topics: national negotiation styles and diplomatic culture, and the liberal peace paradigm. After highlighting the deficiencies of this top-down approach, I move to two central debates in the bottom-up research on peace interventions: the divergence between cultures of interveners and those of local populations, and the significance of the interveners' organizationa...