Answer:
An argument made against a claim.
Step-by-step explanation:
A counterclaim is a claim rebutting or opposing a first claim made. It introduces reasoning behind an argument, and evidence that support it. This type of argumentation is possible whenever there are two or more different ideas or opinions over an issue, and both parties have evidence to prove what they are saying. Claims and Counterclaims can be found in essays, scientific documents, argumentative writing, debates, and litigation.