The battle of became known as the world's greatest sea battle.
a. pearl harbor
b. midway
c. leyte gulf

Option B.

Explanation:

The Battle of Midway, is the right answer.

The Battle of Midway was determining naval combat in the Pacific Theater of the Second World War that began and persisted between June 4th and 7th 1942, exclusive six months following the attack on Pearl Harbor by Japan. The navy of the United States under the Raymond A. Spruance, Admirals Chester W. Nimitz and Frank Jack Fletcher defeated an attacking squadron of the navy of Japan near Midway Atoll. This battle caused disastrous damage to the Japanese navy that proved irreversible.

what are local authorities doing to fix the problem

explanation:

the group i'm selecting: greeks.

a first group of greek immigrants came to the us in the 1850s. the second group came to america starting in the 1890s due to economic opportunities they didn't have back in their home caused by the hardships of ottoman rule. greek immigration was 90% male, many of them expected to work and return to greece after earning enough capital, but ultimately had to remain in the us after the greek genocide.