How To Write A Argument Position Paper . Provide the grounds (evidence) for the claim. Similarly, you provide some reasoning to support your position. Argumentative Position Papers 8th Grade L.A. from crossroadsla8.weebly.com When countering an argument, you should refute the opinion of the opposition. Rearrange parts of your writing if needed to better support your ideas and persuade readers. Provide the grounds (evidence) for the claim.