Among general concepts of freedom: political freedom, liberal, conserva-tive and Marxist, the Marxist one is the unique in a number of reasons: 1. Political freedom in Marxist’ ideology is observed from the point of hi-storical progress, the entire historical process is analyzed, from the very first days of primitive man and till XIX century, in empiric aspect. 2. Empiric investigation approach (method), as I see it, is the most valua-ble among all possible methods, as far as it exists as such that took place in practice. 3. Its essence is to establish the grounds of economic processes as materi-al bases of society being. The concept of society development is proposed, that stems from the idea of Communism foundation as aid to create and regulate the socialist basis of amalgamation, contact of individuals, foundation of material facilities of this amalgamation