The concept of a vehicle to provide troops with both mobile protection and firepower was not a new one. But in the First World War, the increasing availability of the internal combustion engine, armour plate and the continuous track, as well as the problem of trench warfare, combined to facilitate the production of the tank.
Mark IV Tank: the Reason the British War Machine Became So Iconic
Surviving British Mark 1 Male Tank- Restored WW1 Tank Photos
World War 1 History: First Tank Versus Tank Battle - Owlcation
Tanks in World War I - Wikiwand
World War I: Why Were Tanks Invented?
672 Ww1 Tank Stock Photos, High-Res Pictures, and Images - Getty Images
First British Tank Of The World War One Period, Last Alive Stock Photo, Picture and Royalty Free Image. Image 7000153.
Britain's last remaining First World War tank on display in a town – Museum Crush
Top 10 Things to Know About Tanks in World War I - Discover Walks Blog
War Breaks Out in Europe World War I: ( ) - ppt video online download