Question

World War I was the first war to use many new technologies. Which of the following was true of the use of chemical warfare?
Weapons such as poison gas were developed as a reaction to the stalemate that occurred throughout most of the war.
The use of chemical weapons was very effective during the war, causing most of the casualties.
Neither side utilized chemical weapons as these had been banned in 1907, prior to the beginning of the war.
Most countries did not have the technological capabilities to produce chemical weapons.
@xXRikaxChanXx any help

Answer 1

THE FIRST ONE

Answer 2

thanx :)

Answer 3

WELCOME