This photograph shows soldiers in World War I. Face coverings were often worn in battle because

Question

Responses
A soldiers were shielding their eyes from nuclear blasts.soldiers were shielding their eyes from nuclear blasts.
B people were trying to protect themselves from the "Spanish Flu" pandemic.people were trying to protect themselves from the "Spanish Flu" pandemic.
C the smells and germs on the battlefield were overwhelming.the smells and germs on the battlefield were overwhelming.
D soldiers needed to protect themselves in the event of a poison gas attack.

Answer 1

D. soldiers needed to protect themselves in the event of a poison gas attack.

During World War I, face coverings were often used by soldiers to protect against the effects of chemical weapons, including poison gas.