walls of Leo IV

Target entity: walls of Leo IV
Context triple: [Passetto di Borgo, incorporatesEarlierStructures, walls of Leo IV]

• A. Theodosian Walls
  The Theodosian Walls are the massive late Roman and Byzantine defensive fortifications that protected Constantinople for over a millennium until its fall in 1453.
• B. Column of Phocas
  The Column of Phocas is a late antique honorific column in the Roman Forum, erected in 608 AD as one of the last monumental additions to the ancient heart of Rome.
• C. House of Heraclius
  The House of Heraclius was a Byzantine imperial dynasty that ruled the Eastern Roman Empire during the 7th and early 8th centuries, notably under Emperor Heraclius, who reorganized the empire and fought major wars against the Sassanid Persians and early Islamic Caliphates.
• D. Hall of Constantine
  The Hall of Constantine is a grand frescoed chamber in the Vatican’s Raphael Rooms, renowned for its monumental paintings depicting pivotal events in the life of Emperor Constantine and the triumph of Christianity.
• E. House of Justinian
  The House of Justinian was the ruling imperial family of the Byzantine Empire during the 6th century, most notably associated with Emperor Justinian I and his extensive legal, military, and architectural reforms.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: walls of Leo IV
Target entity description: The walls of Leo IV were a fortified enclosure built in the 9th century by Pope Leo IV to protect the Vatican and the Borgo district of Rome from Saracen raids.

• A. Theodosian Walls
  The Theodosian Walls are the massive late Roman and Byzantine defensive fortifications that protected Constantinople for over a millennium until its fall in 1453.
• B. Column of Phocas
  The Column of Phocas is a late antique honorific column in the Roman Forum, erected in 608 AD as one of the last monumental additions to the ancient heart of Rome.
• C. House of Heraclius
  The House of Heraclius was a Byzantine imperial dynasty that ruled the Eastern Roman Empire during the 7th and early 8th centuries, notably under Emperor Heraclius, who reorganized the empire and fought major wars against the Sassanid Persians and early Islamic Caliphates.
• D. Hall of Constantine
  The Hall of Constantine is a grand frescoed chamber in the Vatican’s Raphael Rooms, renowned for its monumental paintings depicting pivotal events in the life of Emperor Constantine and the triumph of Christianity.
• E. House of Justinian
  The House of Justinian was the ruling imperial family of the Byzantine Empire during the 6th century, most notably associated with Emperor Justinian I and his extensive legal, military, and architectural reforms.
• F. None of above. chosen