A similarity between the Battles of Chancellorsville and Fredericksburg was that.

The Confederacy won both.

Explanation:

The Battles of Chancellorsville and Fredericksburg were part of the Civil War in America. The Battle of Fredericksburg included almost 200,000 soldiers, the largest group of troops in the Civil War. The consequences of the battle sent Union to fall and gave strength to the Confederate. The Battle of Chancellorsville also won by the Confederacy and General Robert E. Lee. Therefore, the confederate won both battles after defeating the Union.

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