sentences:  His job as Commander-in-Chief came to an end with peace and demobilisation, and with Foch out of favour after his quarrel with the French government over the peace terms, it was Petain who, in January 1920, was appointed Vice-Chairman of the revived "Conseil supérieur de la Guerre" (Supreme War Council).This was France's highest military position, whose holder was Commander-in-Chief designate in the event of war and who had the right to overrule the Chief of the General Staff (a position held in the 1920s by Petain's protégés Buat and Debeney), and Petain would hold it until 1931.Pétain was encouraged by friends to go into politics, although he protested that he had little interest in running for an elected position.