The longest were the ships of the Queen Elizabeth class (British) at 645 ft. long. However, at 31, 400 long tons (empty) the Pennsylvania class (American) displaced more but they stayed in the U.S. during the war. Also there were many passenger ships that both outweighed and were longer than either of the 2 classes stated previously.
HMS Ocean
The Lusitania.
41 men
Russia
Somma offensive
HMS Ocean
no but it was a battle ship During the Korean war called USS mount Olympus
By ship
during World War 2
No
uhj
Clement
The largest Japanese Internment Camp built during World War 2 was the Oikawa camp in Nevada. It held approximately 50,000 people against their will during the war.
The Lusitania.
The Atlantic
Russia
Russia