sentences:  The popularity of the duel using sword or small pistol, sometimes causing death, bore witness to the tensions of the period.When a series of press articles in "La Libre Parole" accused Jewish officers of "betraying their birth", the officers challenged the editors.Captain Crémieu-Foa, a Jewish Alsatian graduated from the Ecole Polytechnique, fought unsuccessfully against Drumont and against M. de Lamase, who was the author of the articles.