Decline and Fall contraction of Edward Gibbon's "The History of the Decline and Fall of the Roman Empire." The title alludes also to the German philosopher Oswald Spengler's "The Decline of the West" (1918–1922), which first appeared in an English translation in 1926 and which argued, among other things, that the rise of nations and cultures is inevitably followed by their eclipse. Waugh read both Gibbon and Spengler while writing his first novel. Waugh's satire is unambiguously hostile to much that was in vogue in the late 1920s, and "themes of cultural confusion, moral disorientation and social bedlam...both drive the novel forward and
Historiography of the fall of the Western Roman Empire argues that the severe fall in population left the state apparatus and army too large for the population to support, leading to further economic and social decline that eventually killed the Western Empire. The Eastern half survived due to its larger population, which even after the plagues was sufficient for an effective state apparatus. Archaeology has revealed that from the 2nd century onward, the inhabited area in most Roman towns and cities grew smaller and smaller. Imperial laws concerning "agri deserti", or deserted lands, became increasingly common and desperate. The economic collapse of the 3rd century may also be evidence