What was the impact of the new technological developments of weaponry during world war i

The major impact of technology on World War I (WWI) was that it made the war much more difficult for the infantry soldiers who did most of the fighting.  The new technologies led to trench warfare and the lack of new tactics led to massive slaughter at the hands of the new technology.

If your answers look like this a) expansion through conquestb) development of a calendar c) development of a written language d) creation of a large road workthen the answer is dhope it

Where’s the map ? ? can’t you without a map