In 1910 he was named a Plenipotentiary to Great Britain .
In 1910 he was had a very important participation in the negotiations with Peru , with respect to the plesbicite that was to solve the question of the property of Tacna and Arica .
In 1910 he was named a Plenipotentiary to Great Britain , and had a very important participation in the negotiations with Peru , with respect to the plesbicite that was to solve the question of the property of Tacna and Arica .