| Summary/Abstract |
Why the First World War ended in 1918 and not earlier remains a major puzzle. We propose a new theory that emphasizes how honor prolongs wars beyond what rationalist theories can explain. It argues that when honor is insulted, an affronted actor will strive to punish the offender. Absent an apology, the pursuit of a satisfactory punishment leads the affronted belligerent to ignore unfavorable battlefield information, hold logically irreconcilable beliefs, process information in emotional terms, and obsess over status. We predict that wars of prevention and territorial occupation are most likely to elicit honor considerations. We test our argument against an obscure episode in the war where Germany and the United States made peace overtures in December 1916. We demonstrate that honor concerns made Entente decision makers see German aggression as an affront to their honor that only the destruction of Germany's political regime could redress.
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