Which of the following was a cause of the Peloponnesian War?
resentment among other Greek city-states of Athens' growing power and influence in the region
the ongoing tension between King Leonidas of Sparta and Xerxes following the end of the Persian War
the increased rivalry between Sparta and Persia after the defeat of the Persians in the Persian War
the Persians under King Darius I continued to invade the Greek city-states after the Persian War