The answer to your question is,
a tag question.
-Mabel <3
Is
As for this problem together with the options presented with it, the most probable answer and the most likely one to be the correct answer is <em><u>IS</u></em>
<span>Whose would be referring to be asking as to the ownership of an object or something. Whom, on the other hand, would be more on the person directed to or to who should the action be done to. Who, in this case, would act as someone who would do the act itself.</span>
They were afraid; they tried to stop Rome by supporting Rome's enemies in wars, but they were not successful and were defeated by the Romans. PLEASE MARK ME BRAINLIEST