Wars in other places can capture great interest abroad. Just look at how we view events in the Middle East.
150 years ago, the world watched our Civil War with great interest, waiting to see if freedom and democracy would triumph.
Historian Don Doyle views the foreign interest in the war in his book The Cause of All Nations: An International History of the American Civil War.
He joined us in early 2015, and we hear the interview again here.