Mark each statement if it is a reason for Athens's defeat in the Peloponnesian War. A. The plague killed a quarter of the popula
tion of Athens. B. Sparta built a strong navy that challenged the Athenian navy. C. The Athenians launched a disastrous attack on Syracuse. D. The Spartans blockaded Athens, and many Athenians starved. Please help my answer is B,D
