Germany’s promise not to bomb anymore ships without warning was the

Afraid that the U.S. might now enter the war on the side of the Allied Powers, the German government issued the Arabic Pledge in 1915. Germany promised that it would warn non-military ships thirty minutes before it sank them. This would allow passengers and crew time to escape safely on lifeboats.

answer; the confederacy could afford to move a large number of prisoners hundreds of miles but could not afford to fee and house the prisoners;

answer; occurs if the conflict is recognized logically and intellectualized;