Buenos Aires; He was a hardworking parliamentarian and presented to Congress a bill related to civil servants of the State, which tended to base promotions in the hierarchical ladder by competition and antecedents. During his period as a deputy he presented projects for the regulation of the civil code, debated on the organization of the army, He also supported, together with the deputies Carlos Saavedra Lamas, Julio Argentino Pascual Roca and Lisandro de la Torre, a law to create a body of Gendarmerie to protect the Argentine borders, although the project would not ultimately succeed. In 1916 the new president, Hipolito Yrigoyen, privately proposed the post of Minister of War, but Alvear rejected it. He then offered to be ambassador to France, a position he accepted and held until 1922. During the five years that the First World War lasted, Alvear carried out missions to help the allies in Paris, donating together with his wife Regina Pacini a war hospital and a blood bank, where Pacini was in charge of caring for the wounded. The funds for this were obtained thanks to the contacts that Alvear had. For example, when the French military officer Joseph Joffre suggested to the Argentine ambassador to install an Argentine pavilion in the university city of Paris, Alvear was able to pay for the work thanks to the contributions of Otto Bemberg. He also assisted in the negotiations for the sale of crops to the allies during the Great War. Here the first differences between Alvear and Yrigoyen appeared: when the latter argued that Argentina should maintain a neutral position, Alvear was in favor of the country declaring itself to the side of the Triple Entente. 1922 election After the first radical government of Hipólito Yrigoyen, the problem of presidential succession arose. Faced with disputes within the party, in March 1922 the National Convention of the UCR, despite the episode of the commission in Geneva that aired the fact of ideological differences, Yrigoyen decided to support Alvear, at that time ambassador to France , and a member of the most conservative faction of the UCR, of patrician and landowning social origin, and with few ties to the popular base of the party. The National Convention elected him a candidate in March 1922 by 139 votes to 33 (which brought together various candidates). The Alvear-González formula triumphed over the Piñero-Núñez binomial in the elections of 2