Answer:
She rescues the boy who becomes the founder
Explanation:
In this myth, Romulus and Remus were attempted to be killed via drowning by their uncle/Amulius, who became the king. He saw the two boys as a threat to his power, and as a result attempted to drown them in the Tiber river. However the boys were rescued by the wolf, who took pity.
If the wolf hadn't took pity, or she never found the boys, Rome would never exist.