Trent and San Jacinto - Public domain image of steamship

The USS San Jacinto (right) stops the British packet steamer RMS Trent. When the San Jacinto removed two Confederate diplomats from the Trent, it touched off the Trent Affair, the closest that Great Britain came to joining the American Civil War.
Taken from the 1887 book The Youth's History of the United States, etc, published by Cassell & Co.

Also published in "The Life & Times of Queen Victoria, by Robert Wilson, Vol III", published 1887.[1]Gutenberg