Triple

Target entity: Ethiopian–Adal War
Context triple: [Cristóvão da Gama, participantIn, Ethiopian–Adal War]

• A. Ethiopian campaign of 1541–1542 chosen
  The Ethiopian campaign of 1541–1542 was a Portuguese-led military expedition in support of the Ethiopian Empire against the Muslim forces of Ahmad ibn Ibrahim al-Ghazi during the Ethiopian–Adal war.
• B. Mahdist War
  The Mahdist War was a late 19th-century Islamic rebellion and conflict in Sudan against Egyptian and British rule, led by Muhammad Ahmad al-Mahdi and his successors.
• C. Battle of Massawa
  The Battle of Massawa was a key 1990 offensive by Eritrean rebel forces to capture the strategic Red Sea port city of Massawa from Ethiopian government control, significantly advancing Eritrea’s path to independence.
• D. Battle of Adwa
  The Battle of Adwa was an 1896 military victory in which Ethiopian forces decisively defeated invading Italian troops, securing Ethiopia’s independence and becoming a powerful symbol of anti-colonial resistance in Africa.
• E. Eritrean–Ethiopian War
  The Eritrean–Ethiopian War was a brutal border conflict between Eritrea and Ethiopia from 1998 to 2000 that caused tens of thousands of casualties and reshaped politics in the Horn of Africa.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.