Sinking w/o warning (un-restricted submarine warfare).
The shrine houses Japanese soldiers, which includes war criminals.
Korea
Because the cause/s of war is/are controversy in beliefs.
Slavery in gained territories.
The military draft effected everyone's lives.
The submarines attacked Pearl Harbor
It sank up to 2,779 ships in world war 2
The shrine houses Japanese soldiers, which includes war criminals.
The Germans then threatened to use only Uboats for war and blew up a few ships.
Not much controversy at the time, more later in the decades after the war. There are many myths and misstatement of facts surrounding this event during WW2.
because of the alliances the US had made previous to the start of the war along with the threat of the German Uboats attacking US civilians and property.
Korea
Coco Chanel was known to have a conservative and right-wing political view. She maintained a close relationship with members of the Nazi party during World War II, leading to criticism and controversy surrounding her political affiliations.
If there were U-boats in the Black Sea they could have traveled throug the Mediterranean Sea, the Aegean Sea, the Sea of Marmara, the Hellespont, and the Bosphorus into the Black Sea.
Much of the East coast was blacked out as Nazi Uboats were sinking shipping all the way from NY to FL. They also did some shelling with their small deck guns.
Because the cause/s of war is/are controversy in beliefs.
Wilson entered WWI because the German Uboats were destroying Americas ships. Also the Germans sent the Zimmerman letter to Mexico to ask them to join the war. If they won Mexico would receive all the land in America.