 Dobro Pole was, however, lower and less steep than the mountains on other parts of the front that averaged .A second Anglo-Franco-Hellenic force would then attack the 1st Bulgarian Army between Kožuf and Lake Doiran, preventing it from forming new defensive positions in the area.The initial advance would allow the Armée d'Orient to progress in support of other units first to Prilep, Disma and Borran.