Triple

Target entity: Mongol Empire
Context triple: [Vietnamese forces, engagedAgainst, Mongol Empire]

• A. Mongol Empire chosen
  The Mongol Empire was a vast 13th–14th century Eurasian empire founded by Genghis Khan, renowned for its unprecedented territorial expansion, military prowess, and facilitation of trade and cultural exchange along the Silk Road.
• B. Golden Horde
  The Golden Horde was a powerful Mongol khanate that ruled over much of Eastern Europe and parts of Russia from the 13th to the 15th century, exerting significant political and economic influence on the region.
• C. Great Horde
  The Great Horde was the late medieval remnant of the Golden Horde, centered on the lower Volga and steppe regions, that persisted as a weakened successor khanate until its decline in the 16th century.
• D. Avar Khaganate
  The Avar Khaganate was a powerful early medieval nomadic empire of Eurasian steppe origin that dominated much of the Carpathian Basin and Central Europe between the 6th and 9th centuries.
• E. Mongol
  The Mongols were a Central and Northeast Asian nomadic people who, under leaders like Genghis Khan, created one of the largest contiguous empires in history and profoundly influenced Eurasian politics, culture, and trade.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.