Explain how new tech in WW1 impacted deaths and statements

The production of new tech in WW1 made the war much more deadly than it would have been without the new innovations. The new guns could fire an immense amount of rounds at once, without need for reloading often and being out in the open. This is only one example of how the new tech allowed for much more deadly fighting than ever before.

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i think that the right answer is the aztecs