Linking of A and B . All argumentative papers require you to link each point in the argument back to the thesis. Without such links, your reader will be unable to see how new sections logically and systematically advance your argument. In a compare-and contrast, you also need to make links between A and B in the body of your essay if you want your paper to hold together. To make these links, use transitional expressions of comparison and contrast ( similarly, moreover, likewise, on the contrary, conversely, on the other hand ) and contrastive vocabulary (in the example below, Southerner/Northerner ).