Lê–Tây Sơn–Nguyễn transition period

Target entity: Lê–Tây Sơn–Nguyễn transition period
Context triple: [Nguyễn Du, era, Lê–Tây Sơn–Nguyễn transition period]

• A. Tây Sơn dynasty
  The Tây Sơn dynasty was a late 18th-century Vietnamese ruling house founded by the Tây Sơn brothers, known for unifying the country, overthrowing both the Lê and Nguyễn lords, and repelling major foreign invasions before being replaced by the Nguyễn dynasty.
• B. Trịnh–Nguyễn Civil War
  The Trịnh–Nguyễn Civil War was a prolonged 17th–18th century conflict between the Trịnh lords in the north and the Nguyễn lords in the south that led to the political and territorial division of Vietnam.
• C. Tây Sơn rebellion
  The Tây Sơn rebellion was a late 18th-century Vietnamese uprising that overthrew the ruling Lê and Trịnh lords, reunified much of the country, and paved the way for the short-lived but transformative Tây Sơn dynasty.
• D. Later Lê dynasty
  The Later Lê dynasty was a Vietnamese royal house that ruled Đại Việt from the mid-15th to late 18th century, overseeing a period of political consolidation, Confucian state-building, and territorial expansion.
• E. Han–Trưng War
  The Han–Trưng War was a first-century conflict in which the Trưng Sisters led a major Vietnamese uprising against Chinese Han imperial rule.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Lê–Tây Sơn–Nguyễn transition period
Target entity description: The Lê–Tây Sơn–Nguyễn transition period was a turbulent late 18th- to early 19th-century era in Vietnamese history marked by dynastic collapse, civil wars, and the eventual establishment of the Nguyễn dynasty.

• A. Tây Sơn dynasty
  The Tây Sơn dynasty was a late 18th-century Vietnamese ruling house founded by the Tây Sơn brothers, known for unifying the country, overthrowing both the Lê and Nguyễn lords, and repelling major foreign invasions before being replaced by the Nguyễn dynasty.
• B. Trịnh–Nguyễn Civil War
  The Trịnh–Nguyễn Civil War was a prolonged 17th–18th century conflict between the Trịnh lords in the north and the Nguyễn lords in the south that led to the political and territorial division of Vietnam.
• C. Tây Sơn rebellion
  The Tây Sơn rebellion was a late 18th-century Vietnamese uprising that overthrew the ruling Lê and Trịnh lords, reunified much of the country, and paved the way for the short-lived but transformative Tây Sơn dynasty.
• D. Later Lê dynasty
  The Later Lê dynasty was a Vietnamese royal house that ruled Đại Việt from the mid-15th to late 18th century, overseeing a period of political consolidation, Confucian state-building, and territorial expansion.
• E. Han–Trưng War
  The Han–Trưng War was a first-century conflict in which the Trưng Sisters led a major Vietnamese uprising against Chinese Han imperial rule.
• F. None of above. chosen