Esprit de corps has played a significant role in the cultural and political history of the last 300 years. Through several historical case studies, Luis de Miranda shows how this phrase acts as a combat concept with a clear societal impact. He also reveals how interconnected, yet distinct, French, English and American modern intellectual and political thought is. In the end, this is a cautionary analysis of past and current ideologies of ultra-unified human ensembles, a recurrent historical and theoretical fabulation the author calls ‘ensemblance’.