In about 100 B.C., Gaius Marius took command of the Roman citizen army and created a professional fighting force - the Roman Legions. for the first time, troops received a salary and went through intensive training. to increase their mobility, the men carried their own supplies and prepared their own food. Known as Marius's mules, the troops of the Legions were a mighty fighting force. But the Legions were more than soldiers. Author Susan Provost...