Because, we assume, these days, you just get in a car, you turn the key, and woosh, you're up the road. Or even now, dare I say, you don't turn a key; you get in a car and you're up the road. And yet with this particular car, it was a five-step process to start it. So how do I let the reader know that?

It was Harry Patch, who was the last living World War I veteran; and by veteran I mean someone who actually fought in the war, he didn't just happen to be in the army at that time, in the Great War. And when the Iraq War started, he was interviewed, and they said, well what do you think of this? And he said, in a very sad voice, "Well, that's why my mates died. We thought we were going to end all that sort of thing."

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What does anyone really know about the impetus to go to war? And so much is uncovered in hindsight. And there are aspects of even past wars that are only coming out now. Historians discover letters here, notes there, and look very carefully at different aspects of not only any conflict but any great historical event.

As Churchill said about the Great War, and he said this in about 1924, that it was the first war in which man realized that he could obliterate himself completely. If you consider the way the whole world was impacted, 18 million people worldwide died, and that is taking into account military and civilian deaths: 18 million people. And it was the whole world, if you will. You know, many of those trenches were dug by Chinese. There are photographs of Chinese looking like they just came from China, with their hats and so on, digging the trenches, right from the beginning.

Because, we assume, these days, you just get in a car, you turn the key, and woosh, you're up the road. Or even now, dare I say, you don't turn a key; you get in a car and you're up the road. And yet with this particular car, it was a five-step process to start it. So how do I let the reader know that?

I often think it would be really interesting to take all of those who would wage war to the battlefield cemeteries, and say, explain yourself to the dead. Explain yourself to the dead!