What central Pacific island was the target of one of the greatest military efforts in history in June 1944?

Saipan

Explanation:

The Battle of Saipan was fought from mid-June 1944 to early July 1944 between the Japanese Empire and the United States during the Pacific Theater of WW2

answer; i believe the two groups were irish immigrants and chinese immigrants;

answer; ///i believe that the correct answer is ; hieroglyphs or glyphs; the maya script, also known as maya glyphs, was the writing system of the maya civilization of mesoamerica; as always plz check first..good luck