Can I see a picture of the chart or type it in the comments
I believe the answer is D. WWI was the first "total war," in which all of the people in all of the involved countries participated and were impacted.
Answer: Your answer you are looking for here is “B. The allies produced way more weapons and military equipment than the Axis Powers”
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Charlemagne was able to gather together many of the former
Roman Empire’s European territories by conquering many European kingdoms and fighting
off invaders. He ventured out to different lands and invaded different cities
and countries to be part of the Roman Empire.