Carl McIntire developed into a rather heavy-handed, dictatorial leader in the BP denomination and some of his colleagues like Buswell and Harris and younger men, most notably Donald MacNair and Robert Rayburn, began resisting this trend.
The Reformed Presbyterian Church, General Synod adhered to the Solemn League and Covenant and was of the Covenanter tradition.
One group named Reformed Presbyterian Church, General Synod allowed its members to vote and to hold office.
The General Synod permitted instrumental music during the worship and adopted hymns and psalms to be sung in the services.
The other group the Reformed Presbyterian Church of North America did not allow members to vote and hold office and opposed hymns and instrumental music.