Triple

Target entity: Ottoman campaigns in the Balkans
Context triple: [Battle of Nicopolis, followedBy, Ottoman campaigns in the Balkans]

• A. Ottoman Empire in the Balkans
  The Ottoman Empire in the Balkans was the regional manifestation of Ottoman rule over Southeast Europe, marked by centuries of military conquest, administrative control, and cultural influence that gradually declined during the 19th century.
• B. Balkan Campaign
  The Balkan Campaign was a series of World War II military operations in southeastern Europe, primarily involving Axis invasions of Yugoslavia and Greece in 1941.
• C. Ottoman–Habsburg wars
  The Ottoman–Habsburg wars were a centuries-long series of military conflicts between the Ottoman Empire and the Habsburg Monarchy that shaped the balance of power in Central and Eastern Europe.
• D. Byzantine–Ottoman wars
  The Byzantine–Ottoman wars were a series of protracted conflicts between the Byzantine Empire and the rising Ottoman Empire that culminated in the fall of Constantinople in 1453 and the end of Byzantine rule.
• E. Ottoman incursions chosen
  Ottoman incursions were a series of military campaigns and raids carried out by the expanding Ottoman Empire into neighboring territories, often resulting in significant destruction and political upheaval.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.