Which statements about the Delian League are true? (Multiple choice.)
A) The league failed to protect Greece from the Persians, and the city-states were conquered.
B) When some city-states tried to withdraw, Athens force them to keep them under control.
C) Sparta never joined the league and resented Athen’s power and treatment of allies.
D) The purpose of the league was to keep Sparta from gaining too much power.
