How did the "island-hopping" strategy save American lives in World War II?

A. US forces only attacked Japanese-held islands with strategic importance.

B. Allied forces attacked Japanese-held island by sea and air only.

C. US forces attacked Japanese-held islands with weak defenses.

D. Allied forces attacked different islands, sharing the losses equally.

A. US forces only attacked Japanese-held islands with strategic importance.

Explanation:

Island hopping is a tactic where US forces only concentrated their resources and military on strategically important islands.

A. US forces only attacked Japanese-held islands with strategic importance.

Explanation:

The term Island Hopping was used to describe the attack tactit that the american army had to do in order to gain stratetic islands in order to get close enough to mainland Japan and to get them into bombing range, they only attacked strategic islands instead of attacking all and trying to defeat them in all of the conquered territories, they instead aimed to make them surrender by attacking them in main-land.