What are the eight key theological developments during the middle ages and the renaissance?

The consolidation of the patristic heritage, the exploration of the role of reason in theology, the development of theological systems, the development of sacramental theology, the development of the theology of grace, the role of Mary in the scheme of salvation, returning directly to the sources of Christian theology and the critique of the Vulgate translation of scripture are the eight key theological developments during the middle ages and the renaissance.