The history of the development of religion shows that as mankind moves from small isolated villages towards large, complex, urban, industrial society; the influence of religion on man and his life changes. In the earlier phases of religion the primary needs of mankind were very much influenced by it. As man’s knowledge of natural forces grows, he learns to control them by natural methods, that is, by a detailed scrutiny of their causes and conditions.
As religious explanation of the universe is gradually substituted by rational scientific explanations and various group activities (politics, education, art and music) have been increasingly transferred from ecclesiastic to civil and other non-religious agencies, the conception of God as power over man and his society loses its importance. This movement is sometimes referred to as secularization.
Secularism as an ideology has emerged from the dialectic of modern science and Protestantism, not from a simple repudiation of religion and the rise of rationalism.
‘Secularization’, in the words of Peter Berger, refers to ‘the process by which sectors of society and culture are removed from the domination of religious institutions and symbols.