“…Scholarship demonstrates that cultural similarities between movement actors (Bandy & Smith, ; Jung, King, & Soule, ), consistent ideologies (Altemose & McCarty, ; Brecher & Costello, ; Cullen, ; Di Gregorio, ; Dreiling, ; Enriquez, ; Gerhards & Rucht, ; Lichterman, ; Mayer, Brown, & Morello‐Frosch, ; Park, ; Staggenborg, ; Whittier, ) and collective identity (Barvosa‐Carter2001, Corrigall‐Brown & Meyer, ; Heaney & Rojas, ; Krinsky & Reese, ; Maney, ; Van Stekelenburg & Klandermans, ; Takeshi 2014; Valocchi, ; Vicari, ; Whittier, ) aid in coalition formation. Indeed, ideological and cultural congruence is a pivotal factor in promoting or preventing coalition formation.…”