Second Battle of the Masurian Lakes

Target entity: Second Battle of the Masurian Lakes
Context triple: [Eastern Front (World War I), includesBattle, Second Battle of the Masurian Lakes]

• A. First Battle of the Masurian Lakes
  The First Battle of the Masurian Lakes was a major German offensive against Russian forces in East Prussia in September 1914 that resulted in a significant Russian retreat and helped secure the Eastern Front for Germany early in World War I.
• B. Battle of Gorlice–Tarnów
  The Battle of Gorlice–Tarnów was a major World War I offensive in 1915 in which German and Austro-Hungarian forces broke through Russian lines on the Eastern Front, leading to a significant Russian retreat.
• C. Battle of the Niemen River
  The Battle of the Niemen River was a decisive 1920 engagement in which Polish forces defeated the Red Army, helping secure Poland’s eastern borders at the end of the Polish–Soviet War.
• D. Battle of the Bzura
  The Battle of the Bzura was the largest Polish counteroffensive against German forces during the 1939 campaign, briefly halting their advance before ending in a decisive German victory.
• E. Battle of Kulm
  The Battle of Kulm was a significant 1813 engagement in the Napoleonic Wars in which Coalition forces halted and defeated a French corps in Bohemia, contributing to the rollback of Napoleon’s influence in Central Europe.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Second Battle of the Masurian Lakes
Target entity description: The Second Battle of the Masurian Lakes was a major German offensive against Russian forces in East Prussia in early 1915, resulting in heavy Russian losses and a significant German advance on the Eastern Front during World War I.

• A. First Battle of the Masurian Lakes
  The First Battle of the Masurian Lakes was a major German offensive against Russian forces in East Prussia in September 1914 that resulted in a significant Russian retreat and helped secure the Eastern Front for Germany early in World War I.
• B. Battle of Gorlice–Tarnów
  The Battle of Gorlice–Tarnów was a major World War I offensive in 1915 in which German and Austro-Hungarian forces broke through Russian lines on the Eastern Front, leading to a significant Russian retreat.
• C. Battle of the Niemen River
  The Battle of the Niemen River was a decisive 1920 engagement in which Polish forces defeated the Red Army, helping secure Poland’s eastern borders at the end of the Polish–Soviet War.
• D. Battle of the Bzura
  The Battle of the Bzura was the largest Polish counteroffensive against German forces during the 1939 campaign, briefly halting their advance before ending in a decisive German victory.
• E. Battle of Kulm
  The Battle of Kulm was a significant 1813 engagement in the Napoleonic Wars in which Coalition forces halted and defeated a French corps in Bohemia, contributing to the rollback of Napoleon’s influence in Central Europe.
• F. None of above. chosen