French sergeant and a dog in masks near the front line during the First World War.
This gas, which causes the lungs of the victims to fill with liquid and then they drown internally, was commonly used during World War I.
#20 Nerve agent.
This gas is banned by Hague and Geneva because of its dreadful effects. It also has so many different names.
When this gas enters a persons body it causes muscle contractions and internal bleeding which ultimately results in death.
#19 Phosgene Gas.
This is not like mustrad gas, it is It’s odorless and colorless and cause a lot of trouble to lungs, it damages proteins that allows lungs to create oxygen.