Answer:
The answer is: The Theban army counterattacks.
Explanation:
Polynices and Eteocles decided to divide the kingdom agreeing that each would reign alternately for a year. In the year they did not have to reign, they should be absent from Thebes, to try to avoid the curse thrown by their father.
After arriving in Thebes, the siege of the city began. During it, Polinices attacked the door defended by his brother Eteocles and decided to challenge themselves to a unique duel, during which they killed each other.
The answer is: The Theban army counterattacks.
