How Did the Nature and Purpose of the Delian League

Multiple Choice

 How did the nature and purpose of the Delian League change approximately twenty-five years after the alliance's military victory over the Persians in 479 B.C.E.?

A) Sparta joined the Delian League alliance against common rivals such as the Macedonians in Asia Minor.
B) Athens dissolved the Delian League because Athens had established unrivaled and unchallenged geopolitical, military, and economic supremacy throughout city-states of Greece and the Asia Minor region.
C) the Delian League merged with the Peloponnesian League to form the most powerful political, military, and economic alliance in Europe or Asia Minor.
D) the Delian League became a more egalitarian alliance as Athens shared the revenue generated by the league equally among all Greek city-states in the league.
E) the Delian League became the political instrument for the imperial domination of the region by Athens until the fateful Peloponnesian War with Sparta and her allies.