There are different degrees and levels of modernization, some with backward and dysfunctional parts and others without. The process of modernization can affect different countries in different ways; it can have either positive or negative effects according to the context. The rebuilding of Italy after World War II involved thirty years of economic growth and the passage from an industrializing to an industrial society. This boom involved technical progress, development of scientific knowledge and industrialization. In general, increased social mobilization and economic development have an impact on politics and political institutions: rationalized authority and differentiated structures with mass participation are the key characteristics of a modern polity. The Camorra's main expansion was linked to the increased demand for drugs during the 'crazy' 1960s, when soft and hard drugs came to play a more prominent role in people's lives as attitudes towards recreational drugs became more relaxed and tolerant.