Why did city-states in the Delian League revolt against Athens?

They resented not having a say in the government.
They wanted to establish a representative democracy.
They feared that Athens could not protect them from Persia.
They worried that Athens would not stop an attack by Sparta.

Question

Why did city-states in the Delian League revolt against Athens?

They resented not having a say in the government.
They wanted to establish a representative democracy.
They feared that Athens could not protect them from Persia.
They worried that Athens would not stop an attack by Sparta.

anonymous · Answer

It's the second or third one, I know that.. I'm gonna have to say the Third one.