How challenger parties can win big with frozen cleavages: explaining the landslide victory of the Servant of the People party in the 2019 Ukrainian parliamentary elections by Chaisty, P, Whitefield, S

“…In the Ukrainian parliamentary elections of July 2019, Volodymyr Zelensky’s new party, Servant of the People (SN) won a majority of seats in the context of what had been a ‘frozen cleavage’ dividing party voters along a single geo-cultural dimension: pro-West/anti-Soviet versus anti-West/pro-Russian positions. …”