World War I Saw the First Use of Many New

Multiple Choice

World War I saw the first use of many new weapons.One of these,poison gas,was particularly devastating due to its:

A) short- and long-term effects;having recovered,most victims had recurring bouts of sickness.
B) effects on both those at whom it was directed and those who used it.
C) physical and psychological effects.
D) effect on the civilian population close to the front.
E) effects on the surrounding environment.