How did technological innovation change the conduct of war in World War I? O A.

How did technological innovation change the conduct of war in World War I? O A. It made the outcome of the war quicker and more decisive than
previous wars.
B. It introduced weapons capable of killing large numbers of people
at a time.
C. It discouraged nonindustrial nations from participating in the
conflict.
D. It rendered ground and hand-to-hand combat obsolete.