Answer:
Correct answer is:
the defeat of the Athenian fleet by Sparta
the death of Pericles and thousands of others from a plague
Explanation:
First option is correct as in a famous battle of Aegospotami Spartan leader Lisandro totally destroyed Athenian navy.
Third option is also correct as during the siege that was started by Sparta, Athenians retreated to the city, which was overcrowded. Diseases were spreading, and among the people who died was Pericles.
Second option is not correct as Assyrian Empire did not existed at the time.
Last option is not correct as most of Acropolis was destroyed in 17th Century during the war between Ottomans and Venetians.
