Triple

Target entity: Battle of Monocacy
Context triple: [William Henry Seward Jr., participatedIn, Battle of Monocacy]

• A. Battle of Monocacy chosen
  The Battle of Monocacy was an 1864 American Civil War engagement in Maryland in which Union forces delayed a Confederate advance toward Washington, D.C., earning it the nickname "The Battle That Saved Washington."
• B. Battle of Ball's Bluff
  The Battle of Ball's Bluff was an early and disastrous Union defeat in the American Civil War, fought in October 1861 along the Potomac River in Virginia, which led to political upheaval in Washington and the creation of the Joint Committee on the Conduct of the War.
• C. Battle of Front Royal
  The Battle of Front Royal was an 1862 American Civil War engagement in Virginia where Confederate forces under Stonewall Jackson achieved a key victory that helped drive Union troops from the Shenandoah Valley.
• D. Battle of New Market
  The Battle of New Market was an 1864 American Civil War engagement in Virginia’s Shenandoah Valley, notable for the participation of Virginia Military Institute cadets fighting for the Confederacy.
• E. Battle of Antietam
  The Battle of Antietam was a pivotal 1862 clash in the American Civil War, known as the bloodiest single day in U.S. military history and a turning point that enabled Abraham Lincoln to issue the Emancipation Proclamation.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.