The development of Nationalism marked an important shift in the way people viewed their own participation in political affairs around the world. Since ancient times, people had generally identified themselves with a particular city, region, or ethnic group. It wasn't until the late Renaissance period that Europeans began to formulate the concept of a "Nation," a political domain not necessarily defined by proximity or ethnicity. It wasn't long before national loyalty rose as a powerful social force, becoming more important even than religious or ethnic affiliations. In modern times, Nationalism is often synonymous with extremism. Governments like that of Nazi Germany have demonstrated the incredible ideological force that can be generated when citizens are instilled with a strong sense of national pride.