We all know the stories of the horror of trench warfare in the First World War. Waves of soldiers clambering out of their trenches into a hail of gunfire and nests of barbed wire strewn across ...

Trenches became valuable to WW1 armies because they were a defensive ... and a modern rifle could be repeatedly fired. Furthermore, artillery - weapons for discharging missiles - were firing ...

This was known as the Schlieffen Plan – named after ... artillery field gun from World War One. British munitions factories produced over 170 million artillery shells during WW1. As trenches ...