Answer:
Claims and counterclaims are both important&significant
Step-by-step explanation:
Claims are important in an argument, because basically, it is the main base of the topic you are talking about. You should have a opinion to argue with someone, and to talk about a topic together. If you don't have a claim in an argument, there is no purpose of arguing. Next, counterclaims are significant in arguments because it can help you prepare how you are going to answer the other sides' argument. If you are doing a debate, it is way easier to know and predict the claim of the other side, to strengthen your claim or reasings.