What could bringing suit do to a rivalry?\nOptions:\n- going to court\n- randomness\n- anger\n- aggravation\n- tensions
Please answer the following question by reasoning step-by-step.
aggravation
Bringing suit to a rivalry increases conflicts.

Increase in conflicts could lead to aggravation of rivalry.

Aggravation means to become worse.

.

Therefore, the answer is aggravation