Bruising and Bleeding. Bruising or bleeding after an injury is normal. However, some people have disorders that cause them to bruise or bleed too easily. Sometimes people bleed without any obvious triggering event or injury.
The skin of victims of mustard gas blistered, the eyes became very sore and they began to vomit. Mustard gas caused internal and external bleeding and attacked the bronchial tubes, stripping off the mucous membrane. This was extremely painful and most soldiers had to be strapped to their beds.
Why did Stalemate develop on the western front? Stalemate in war is when there is a deadlock and neither side can win. There are many reasons for the stalemate of World War 1. By the end of 1914 both Germany and France were digging trenches, using bared wire and sitting machine guns.