The sub-discipline of political sciences, comparative politics, concentrates on the analysis and the comparison of political systems. It also consecrates itself with political institutions and of course different governance structures that implement the decision-making process. To the main object of investigation of the sub-discipline belong more or less the different governance systems in the world (for your studies are most important: Germany, USA, Great Britain, France, and Russia) and the political parties, party systems, election systems, electoral behavior, political control, political management and political culture.