Russia's invasion of Ukraine presents many challenges to the international order. To understand what is at stake, we argue that the nature of the political regime matters to understand this conflict. We propose a classification of three different types of political regimes (empires, nation...

This article summarizes research on the analysis of roll call votes in the European Parliament since the European Parliament was elected by universal suffrage and draws lessons about legislative behavior in the European Parliament. The research shows that voting in the European Parliament occurs...