The Gospel is not an end in itself but subsists in order to extend the reign of God on earth. The Kingdom is the reign of God by Jesus Christ, and the kerygma is the message that re-orients sinners, restoring them to the proper relationship to the King.
Marxist ideology has influenced our contemporary culture, though unnoticed by most. Although it adopts the terminology of human dignity and rights from Christianity, it is antithetical to the Biblical worldview and destructive of God's righteous social order.
In the attempt to create paradise on earth, man has rejected God and deified the State.