Christian versions of natural law concepts present in the religious and political ideas of Augustine

What Christian versions of Natural Law concepts are present in the religious and political ideas of Augustine? Be sure to include a discussion of statesmanship and the Christian ideas of covenant and dual citizenship, temporal and spiritual. Christian Natural Law theory, especially Augustine’s understanding of the place of Christians relative to the “City of God and City of Man.” OURNAL ARTICLE https://www.newadvent.org/fathers/1201.htm The City of God The City of Man The Philosophy of  Law of St. Augustine  https://www-jstor-org.ezproxy.liberty.edu/stable/2182025?seq=1#metadata_info_tab_contents