What are the pros and cons of Poison Gas?

Answer:
It was silent and impossible to predict with a high rate for causing casualties. However, there were gas masks and if the wind changed direction after the gas was released, the soldiers who unleashed it were the ones dying.
First answer by MarchenOtaku. Last edit by MarchenOtaku. Contributor trust: 17 [recommend contributor recommended]. Question popularity: 1 [recommend question].