A. B. plot
In United States history , the A . B . plot refers to the political enmity in 1823-1824 between Senator Ninian Edwards of Illinois and William H . Crawford , Secretary of the Treasury . 
<triplet> United States <subj> Illinois <obj> contains administrative territorial entity <triplet> A. B. plot <subj> United States <obj> country <triplet> Illinois <subj> United States <obj> country <triplet> William H. Crawford <subj> Secretary of the Treasury <obj> position held <triplet> Secretary of the Treasury <subj> United States <obj> country