Which of the following are used as instruments of safety?(A) Rifles(B) Artillery(C) Warfare(D) Both (A) and (B)

Which of the following are used as instruments of safety?(A) Rifles(B)

1.	Which of the following are used as instruments of safety?(A) Rifles(B) Artillery(C) Warfare(D) Both (A) and (B)
Answer» Correct option is (D) Both (A) and (B)