What islands were stepping stones for the allies as they closed in on japan?

The islands Okinawa and Iwo Jima were the stepping stones for the allies as they closed in on Japan. They were of great importance to victory in Pacific war. They were used as an air base for marines and were used as landing strips for atomic bombs. The main motive was to destroy the Japanese homeland.

dirty, contaminated water

contaminated food,

chlostrophobic living spaces,

mice infestation,

etc,

it would be  

germany had to pay all damages related to the war.

and i think

germany had to take sole responsibility for the war.