Another great principle on which the new regime was based was secularism. Through the secularization policies, the influence of religion on political and social areas was aimed to diminish. Major developments in this stance were the abolition of the caliphate, the closure of Medressehs and lodges and zawiyas, the law of unification of education, and some regulations brought in the name of modern clothing. In 1928, the provision declaring that the “Religion of the State is Islam” was removed from the constitution. Thus, an essential step was taken towards the implementation of the principle of secularism. However, as explained below, secularism was introduced into the constitution in 1937.