In World War 2, there was the battle of <span>Guadalcanal that was fought in the Solomon Islands which is in Southwestern Pacific Ocean.
The Battle of Midway was very important battle in World War 2. Midway is near Hawaii and is in the Northern Pacific Ocean.
Both of these battles were fought in World War 2 and took place somewhere in the Pacific Ocean.</span>
It collapsed because of cold war and also corruption.
Answer:
Korea Russia China are Japan closest neighbors
