Defense of the eastern borderlands of the Polish–Lithuanian Commonwealth

Target entity: Defense of the eastern borderlands of the Polish–Lithuanian Commonwealth
Context triple: [Jeremi Wiśniowiecki, notableWork, Defense of the eastern borderlands of the Polish–Lithuanian Commonwealth]

• A. Polish–Lithuanian expansion eastward
  Polish–Lithuanian expansion eastward refers to the historical process by which the Polish–Lithuanian Commonwealth extended its political and military influence into the eastern territories of Eastern Europe, particularly at the expense of neighboring Rus' and Muscovite lands.
• B. Lesser Poland–Mazovia frontier
  The Lesser Poland–Mazovia frontier is a historical borderland region in central Poland that marked the transitional zone between the provinces of Lesser Poland and Mazovia.
• C. Eastern Borderlands of the Second Polish Republic
  The Eastern Borderlands of the Second Polish Republic were the multiethnic eastern territories of interwar Poland, encompassing parts of present-day Lithuania, Belarus, and Ukraine, and serving as a major arena of political, military, and cultural conflict.
• D. Defense of West Prussia
  The Defense of West Prussia was a late-World War II German military campaign in which Wehrmacht forces attempted to hold the West Prussian region against advancing Soviet troops before its eventual collapse.
• E. Union of Polish Towns
  The Union of Polish Towns is an association that represents and advocates for the interests of municipalities and urban communities across Poland.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Defense of the eastern borderlands of the Polish–Lithuanian Commonwealth
Target entity description: Defense of the eastern borderlands of the Polish–Lithuanian Commonwealth was a renowned 17th-century military campaign in which magnate Jeremi Wiśniowiecki led forces to protect the Commonwealth’s southeastern frontier from Cossack and Tatar incursions.

• A. Polish–Lithuanian expansion eastward
  Polish–Lithuanian expansion eastward refers to the historical process by which the Polish–Lithuanian Commonwealth extended its political and military influence into the eastern territories of Eastern Europe, particularly at the expense of neighboring Rus' and Muscovite lands.
• B. Lesser Poland–Mazovia frontier
  The Lesser Poland–Mazovia frontier is a historical borderland region in central Poland that marked the transitional zone between the provinces of Lesser Poland and Mazovia.
• C. Eastern Borderlands of the Second Polish Republic
  The Eastern Borderlands of the Second Polish Republic were the multiethnic eastern territories of interwar Poland, encompassing parts of present-day Lithuania, Belarus, and Ukraine, and serving as a major arena of political, military, and cultural conflict.
• D. Defense of West Prussia
  The Defense of West Prussia was a late-World War II German military campaign in which Wehrmacht forces attempted to hold the West Prussian region against advancing Soviet troops before its eventual collapse.
• E. Union of Polish Towns
  The Union of Polish Towns is an association that represents and advocates for the interests of municipalities and urban communities across Poland.
• F. None of above. chosen