Answer: Counterclaim
Explanation:
Counterclaim is defined as the claim that is presented to disapprove the accusation or crime charge that is put on any individual.It is the opposing argument against the previous claim .
According to the question,Maxwell can use counterclaim for declining the claims of damages in accident against him by Julian. He can defend himself through argument that Julian was also driving carelessly.
Other options are incorrect because response, counter-response and rejoinder are not the manner to deny the charge against Maxwell.Thus,the correct option is counterclaim