Explain in detail at least 3 reasons why the Great War had such high casualties (dead, wounded, missing)

Military casualty statistics listed here include combat related deaths as well as military deaths caused by accidents, disease and deaths while prisoners of war. Most of the casualties during WWI are due to war related famine and disease.

The main 3 reasons for the high casualties, are famine, disease(e.g Diarrhea and dysentery), and new technology in warfare.

i think its either b or c

explanation:

where is the diagram