Religion can be seen as a force for change and as a voice for others. (Engels and Marx disagree with each other - critisism)
Maduro
Liberation thrology: Religion is not necessarily functional, reproductive or conservative in society. e.g. The Catholic church in Poland helped push back Communism from Russia
Abercrombie, Hill and Turner
Modern capitalist societies do not posess a widely accepted ruling class ideology. The fear of losing jobs, houses, money stops society from having a revolution
