How did Pericles use the Delian League to Athens's advantage? O He helped spread democracy
He invaded the Persian Empire.
He protected Athens from Spartan attacks.
O He made Athens the most powerful member.
Please help I am timed

Correct answers are

He made Athens the most powerful member.

He protected Athens from Spartan attacks.

Explanation:

First option is not correct as Athens dominated that alliance and didn't bother much about the rights of other members.

Second option is not correct as Athens never invaded Persia.

Third option is correct as Athens use this alliance to attack themselves from the attacks of Peloponnesian league that was led by Sparta.

Last option is also correct  as Athens had the supreme authority in the alliance.

the answer is b, encourage free trade

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