Explanation of Duverger's Law and how political systems affect the number of parties in a country. Also, examines the 2 1/2 party system in Germany. Now we've been talking about political parties different countries them an some questions have been asked about wiser countries have more parties some my son is only have two major parties and there's an idea beside that help describes known do for G's law duverger's law various all is vote system the terms the number 30 other to idea Jersey's law help explain number parties that go you single-member districts just will be United States one winner gets 1c that is awesome from representation yes we will on a party-list and seats are allocated by the person district now will reach for the situation first (parei 1:07)