Mahan's popular writing challenges statesmen and journalists who treat internal economic questions as sufficient grounds for rejecting military organization or influence abroad. He associates that outlook with the Manchester School and with leaders whose formative assumptions belonged to an earlier generation. In Mahan's account, the American Civil War intensified the inward focus, even though the postwar removal of French power from Mexico, the purchase of Alaska, and proposed overseas acquisitions showed that older outward-looking habits survived. He nevertheless questions the naval wisdom of the proposed acquisitions while sympathizing with their outward-looking impulse. Mahan turns generational change into a persuasive opening: new leaders can distinguish themselves by reconsidering defence and external policy. His sea-power argument belongs to a wider contest over what government and national strategy should prioritize.
Chapter · 43:32-48:44
The Manchester School and America's inward turn
Mahan attacks a politics dominated by internal economics and argues that post-Civil War leaders must recover an outward-looking national policy.