Church and Covenant Theological Resources for Divided Denominations

What theological resources do mainline churches have to counter ecclesial division and strife? Recent American discussions have invoked the idea of a "covenant" as the basis for the unity of the church. Strikingly, these discussions conceive of covenant as being of human making. This essay instead recommends the idea of a divine covenant as the basis for the church. This is Supported by an analysis of the idea of divine covenant in the ecclesiology of the former Netherlands Reformed Church.