Final answer:
According to Greek mythology, it was Europa's brothers, including Cadmus, who were sent by their father Agenor to search for her after she was abducted by Zeus.
Step-by-step explanation:
Agenor did not directly send anyone to look for Europa; rather, it was Europa's brothers who were sent on the quest. According to mythology, Agenor, the king of Tyre, had a daughter named Europa. She was abducted by Zeus, who had taken the form of a white bull. Afterwards, Agenor commanded his sons to search for their sister, and the most famous of her brothers, Cadmus, undertook a significant journey that led to the foundation of Thebes in Greece.
While there's no historical record of this mythological event, it holds a place in the collective narratives of ancient civilizations and contributes to our understanding of Greek mythology and the cultural values of the time.