In the US, folks reenact the battles of the Civil War every year. The following link is profoundly insightful--almost ghostly as the reenactors pose in modern America.
The Colonists were mostly interested in finance, right?
I've decided not to include gruesome photos of the dead, or the trenches, or videos of American teenagers losing a leg to an improvised roadside device.
Instead, here is a well-known poem from WWI.
The poem was found in their pockets after they died.