asked 95.5k views
0 votes
World War I introduced the following deadly warfare techniques.

1. Tanks
2.Machine Guns
3.Posionous Gas
4.All of the Above

asked
User DMack
by
8.1k points

1 Answer

5 votes
4. All of the above. I think that is the right answer.
answered
User Angrifel
by
8.1k points
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