The main purpose of Kemalism was to achieve the ‘contemporary civilization level’. To this end, six principles were introduced by Kemalists. These were Republicanism, Secularism, Nationalism, Populism, Statism, and Reformism. Among these principles, republicanism was certainly at the base of the new regime. Secularism, as the principle of separation of the state from religious institutions, was one of the most significant components of the regime’s political and social project. Therefore, the correct option is A.