Political groups of the European Parliament Group" (which eventually became the S&D group), the "Christian Democrat Group" (later EPP group) and the "Liberals and Allies Group" (later ALDE group). As the Parliament developed, other Groups emerged. Gaullists from France founded the European Democratic Union Group. When Conservatives from Denmark and the United Kingdom joined, they created the European Conservatives Group, which (after some name changes) eventually merged with the Group of the European People's Party. The 1979 first direct election established further groups and the establishment of European political parties such as the European People's Party. A full breakdown of Groups by complexion and timeline is
Elections to the European Parliament used by voters to punish their governments mid-term, making European Parliament elections de facto national elections of second rank. This phenomenon is also referred to by some experts as the "punishment traps," wherein voters use the European Parliament elections and other European integration referendums as punishment for governments on account of bad economic performance. There is also a study that showed how voters tend to choose candidates of a party at the European level if it has a history of advancing specific issues that they care about. This is related to the second theory that explains voter behavior and it