He experienced the oppression and savagery of war firsthand. “On July, 14th, two weeks after the commencement of the Battle of the Somme, Tolkien’s battalion went into action. He survived a number of engagements; but while as a signaling officer it is unclear how much hand-to-hand combat he might have seen up close, there was no avoiding what Tolkien called the ‘animal horror’ of the trenches” Great War. Those experiences clearly affected his worldview about the reality of good and evil and are clearly expressed in the numerous battle scenes both in “The Hobbit” and in “The Lord of the Rings.”
Part of what makes “The Hobbit” so engaging is that the key elements of Tolkien’s worldview, the basic premises of Middle Earth, resonate so clearly with the majority of readers. He stated at one point that “one object of his sub-creative endeavors was the elucidation of truth, and the encouragement of good morals in this real world, by the ancient device of exemplifying them in unfamiliar embodiments, that may tend to bring them home” Finding God in the Hobbit