Question

The diagram below shows military innovations that affected the way World War I was fought:
http://learnft.flvs.net/webdav/assessment_images/educator_ushistory/v12/03_09_61.jpg
What effect did these innovations have on the war?

They made the war last longer than previous wars.
They made secret operations extremely important.
They led to rapid changes in the size of armies.
They resulted in higher casualty rates than in the past.

Answer 1

Your link doesn't work

Answer 2

But I can tell you from experience and expertise in history that the answer is D

Answer 3

i think it is D

Answer 4

Better link. Does it work?

Answer 5

@tyler444 @Englishguy

Answer 6

Yeah it works, my answer is still D

Answer 7

Awesome, thank you so much.

Answer 8

Welcome

Answer 9

still D