Essentially there are 3 main ways in which finances can be raised with which to use for war: Taxation, raising debt, or simply printing and creating new money. The Romans (among others of course) took a taxation route. It was from around 100 BCE that Roman Legions divided into 10 cohorts of around 400-500 men each. That's 4,000 to 5,000 men in a Legion. Let's assume it was the upper 5,000 figure as there were also some legions with 5,500 men, so we'll average at 5000. In 167 BCE there were 8 of these legions, but by 50 BCE this had almost doubled to 15 - a total of around 75,000 men... Dur: 21mins File: .mp3