Which of the following islands had to be captured in order to provide a staging area for U. S. bombing raids against Japan?

Sakhalin

Iwo Jima

Molokai

Reunion

Iwo Jima

Explanation:

Iwo Jima is an island that is located 750 miles off the coast of Japan and it had three airfields that could serve as a staging facility for a potential invasion of mainland Japan.

Because of that American forces invaded the island on February 19th of 1945, this invasion caused the Battle of Iwo Jima that lasted 5 weeks, it was one of the bloodiest battles in WWII.