 Complete the following phrase:  The Isaac Puente battalion  was a battalion of the Confederación Nacional del Trabajo CNT from the Basque Country which was active during the Spanish Civil War from September 1936 to October 1937. It was named after Isaac Puente and was no 3 of the Milicias Antifascistas de la CNT and no 11 of the Euzko Gudarostea. The battalion participated in the Villarreal Offensive, the Vizcaya Campaign, the 