Why Trenches in WW1? November 12, 2019 Unipro2013main Military History, WW1 </p> <h2>Why Trenches in WW1</h2> <p> Trench warfare is one of the defining features of the First World War, but why? Dan Snow and One Show regular Michael Douglas find out why they were necessary – with the help of paintball guns.<br /> <br /> Credit to : BBC</p> <p> Please support our Sponsors here :
