Impact on morale in world war 1?

High casualties, poor food, and lack of sleep were among many factors that constantly threatened to undermine the morale, and therefore the fighting strength, of First World War armies.

all of the

ww1 weapons: tank. tanks were used for the first time in the first world war at the battle of the somme. they were developed to cope with the conditions on the western front. the first tank was called 'little willie' and needed a crew of 3.