It is often claimed, and widely believed, that the Scottish covenants of the Westminster era and the 1600’s, and the Scottish covenanters generally, taught that Christ’s Mediatorial Kingdom is over all things and that Christ is the Head of the civil magistrate. The Solemn League and Covenant (1643) is often held up as a banner for this doctrine.
Unfortunately these claims are historically false. Not only does the Solemn League and Covenant not teach this, neither do any of the documents from Scotland’s better days. Here is the exhaustive documentation: