From Thrace to the Caucasus and down to Egypt the eastern lands acknowledged his predominance. […] Pompeius’ purpose was flagrant there could be no pretext of public emergency, as for the eastern commands. 1 Transalpine Gaul was soon added. […] But he swept down the eastern coast of Italy, gathering troops, momentum and confidence as he went. […] Instead, he would set out for the wars again, to Macedonia and to the eastern frontier of the Empire. […] One of the legions marching up the eastern coast of Italy, the legio Martia, declared for Octavianus and turned westwards.