<span>The major accomplishments of Charlemagne include developing the rules of the feudal system, encouraging reading and writing throughout his empire, developing commerce with a unified monetary system, and the unification of all Germanic peoples into a single kingdom through his crusades, which sought to convert all subjects to Christianity.</span>
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The enslaved people in the Union during the Civil War fought in battle. These enslaved people often wanted to fight because the Union treated them better than the Confederacy.
