Multiple choice Which two costly Allied victories brought the Allies within easy reach of Japan? Manila and Bataan Peninsula Hiroshima and Nagasaki Wake Island and Hong Kong Iwo Jima and Okinawa Reveal answer Fill a bubble to check yourself D Correct answer Explanation The battles of Iwo Jima and Okinawa were significant, costly Allied victories that provided the necessary airfields and staging grounds for the planned invasion of the Japanese mainland.