Many on the commanding officers in the U.S. army were southern, the south defended there homeland, and many had skills that made them great soldiers
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Correct Answer:
Option A. Influenza
During 1918 - 1919, an influenza epidemic killed about more than 20 million people. This epidemic killed more people than were killed due to the World War 1 and is said to be the most devastating epidemic of the history. Among the US troops which were deployed in Europe, more than half of deaths were a result of influenza rather than the killings done by enemy.
