Introduction of Chemical Warfare in The Second Battle of Ypres
What nation was using this offensively?
What chemical weapons were used?
Was this effective?
Second Battle of Ypres
Why was it introduced?
Who was it used against?
How many casualties were there?
Illegal/rules broken
Location
Historical Location
What were the Main events?
What affects did this event have on the rest of the War?
What worked?
What didn't work?
How were these developed?
First Battle of Ypres?
Planes impact?
How did they defend themselves against the gas?
By who?
Where the defensive nations aware of this chemical attack?