The country that has the highest casualty rate in relation to the total forces is Austria-Hungary. Thus, the second option is correct.
<h3>What is casualty rate?</h3>
The casualty rate refers to the rate of the accidents and incidents that took place in the given period of time. It is the calculation of the number of people injured in the specific period.
According to the chart, Total casualty that took place in Austria and Hungary is 7,020,000 with the total forces of 7,800,888.
Therefore, it can be concluded that Austria-Hungary is the nation with the greatest casualty rate relative to the total number of troops. Hence, the second option is correct.
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Correct answer:
A.) ethnic diversity, trade, and pacifism
One of the main reasons for remaining neutral in the First World War was because the United States was an important supplier to Great Britain and the other allied powers. What helped the nation's trade. Also, there were many retractors on the participation of the nation in the conflict, because pacifism was marked in the American people.