STOPPING AT THE WATER'S EDGE?

[...]after four more days of army-navy assaults (from January 12th through 15th, 1865), the fort surrendered. [...]the British government adopted a decidedly peremptory and aggressive tone during the Trent Affair at the end of the first year of the Civil War-and then changed its tune as the Union not only refused to curl up and die in subsequent years, campaign after grim and bloody campaign, but went on to mobilize the largest war machine in modern memory.