Question

How did World War I different from previous major conflicts?

Answer 1

ANSWER

Step-by-step explanation:

The loss of life was greater than in any previous war in history, in part because militaries were using new technologies, including tanks, airplanes, submarines, machine guns, modern artillery, flamethrowers, and poison gas.

Answer 2

The fighting methods used.

Step-by-step explanation:

Many new weapons were created during the early 20th century. This included machine guns and chemical gases, both of which made WWI more deadly than it should have been.