I think we are all interested in end-times ideas and also in the current climate that we are all living in where money is a little harder to come by things continue to get expensive gas prices are not too far from people's heads. There are more and more people. Human society's going to have real problems.
It was quite a European war until 1917 when the Americans joined up. They don't have the same sense of the loss of innocence and the cataclysmic loss of life. A whole generation was wiped out.