“…Transnational ideological currents were grafted onto local political contexts in highly contingent ways, with enormous consequences. The study of conflict needs to more systematically theorize and measure the origins, diffusion, and evolution of ideology to better understand how these understandings of political life became fused to both revolutionary violence and parliamentary incorporation (Costalli & Ruggeri, 2015; Gutierrez- Sanín & Wood, 2014; Hoover Green, 2018; Leader Maynard, 2019; Staniland, 2015; Stewart, 2020; Straus, 2015). The leaders and foot soldiers of revolution, counter-revolution, and center-left incorporation all pursued their visions at high personal and political cost, often in the face of tremendously long odds; their ideas deserve to be taken seriously.…”