1Troops dug a network of trenches that stretched from the English Channel to the Swiss border. The space between the opposing trenches is “no man’s land” a rough landscape with craters from artillery fire. They used modern rifles and a fire machine gun.

2The Germans used poison gas in the Second Battle of Ypres. The fumes caused vomiting, blindness, and suffocation. The British used the tank into battle they were very slow and cumbersome, mechanically unreliable, and fairly easy to destroy and could roll over barbed wire and trenches. They used airplanes in combat and they were used mainly to observe enemy activities. Then they used them to drop small bombs.

3"Doughboys,” a nickname for American soldiers, were largely inexperienced, but