Let's try to get in the mindset of a soldier in each of these situations.

Scene 1: Your a happy farmer, you have lived for around 20 years and you are pretty happy as a citizen of Rome, you go to the barracks of the legions one day and put your service in. couple years pass and you have trained pretty well, Then you hear of Hannibal marching all over Italy; you think I can gain some valor finally and show the honor of my family.

You are assinged to a unit and you march up to the river Trebia. Its cold, you wanna go home. Your commander orders you to cross the river and attack, as you march through the freezing river you can see Hannibal's army, and to your horror you see the Elephants, a thing you have never seen before. Your drilled forth and you charge The Carthage line, and out come the Elephants, you who have never seen such a thing in your life, and now have a 10-20 foot Monster charging at you. Would you try to duck down? no, chances are you would Run, i know I would.

Scene 2: Your a soldier in the English army, you have spent your time in the service of a prince of the court and you are pretty damn proud to serve. The King orders the army in which you serve in to take and hold Anjour, you think No problem, with our spearlines we will have no problem holding the French cavalry.

You arrive on the battlefield a few months later, and out to meet you is a much larger cavalry force than you had expected. With Infantry behind the French order the charge. Hold the Line your commander shouts, The heavily armoured horse are thundering down the plain as their hooves pound into the dirt, The French soldiers let out their war cry and dawn their lances come. You look upon them and fear grips you, the french crash into the line and your now fighting despratly to keep your sanity and not run. Your unit commander falls and you are without leadership, do you run? I would