Answer:
Sparta defeated Persia
Step-by-step explanation:
The first wave of Peloponnesian war happened because Persian wanted to invade the territories that belong to Sparta and Athens. At that time, Persian empire outnumbered both of them. So Sparta and Athens decided to join forces to fight off the Persian army
Sparta took the leadership position between the two at first. But Leonidas (the man who led Sparta) Died after being surrounded by Persian army. After his death, the Greek decided to sent off more assistance through their naval forces and managed to overturn the tide of battle.