Biafran secession

Target entity: Biafran secession
Context triple: [Igbo, historicalEvent, Biafran secession]

• A. Niger Delta conflict
  The Niger Delta conflict is a long-running struggle in southern Nigeria involving militant groups, local communities, the government, and oil companies over resource control, environmental degradation, and political marginalization in the oil-rich region.
• B. Angolan Civil War
  The Angolan Civil War was a protracted Cold War–era conflict in Angola (1975–2002) involving rival liberation movements and extensive foreign intervention, including Cuban, Soviet, South African, and U.S. support to opposing sides.
• C. Darfur conflict
  The Darfur conflict is a protracted armed struggle in western Sudan marked by mass atrocities, displacement, and accusations of genocide against government-backed militias targeting non-Arab populations.
• D. Aden Emergency
  The Aden Emergency was a violent insurgency and period of civil unrest in the 1960s in the British-controlled port of Aden, marking a key episode in the end of British colonial rule in South Arabia.
• E. Second Sudanese Civil War
  The Second Sudanese Civil War was a prolonged and brutal conflict from 1983 to 2005 between the Sudanese government and southern rebel groups, primarily over political power, resources, and religious and ethnic tensions, which resulted in massive casualties, displacement, and ultimately paved the way for South Sudan’s independence.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Biafran secession
Target entity description: Biafran secession was the attempt by the predominantly Igbo eastern region of Nigeria to break away and form the independent Republic of Biafra between 1967 and 1970, leading to a devastating civil war.

• A. Niger Delta conflict
  The Niger Delta conflict is a long-running struggle in southern Nigeria involving militant groups, local communities, the government, and oil companies over resource control, environmental degradation, and political marginalization in the oil-rich region.
• B. Angolan Civil War
  The Angolan Civil War was a protracted Cold War–era conflict in Angola (1975–2002) involving rival liberation movements and extensive foreign intervention, including Cuban, Soviet, South African, and U.S. support to opposing sides.
• C. Darfur conflict
  The Darfur conflict is a protracted armed struggle in western Sudan marked by mass atrocities, displacement, and accusations of genocide against government-backed militias targeting non-Arab populations.
• D. Aden Emergency
  The Aden Emergency was a violent insurgency and period of civil unrest in the 1960s in the British-controlled port of Aden, marking a key episode in the end of British colonial rule in South Arabia.
• E. Second Sudanese Civil War
  The Second Sudanese Civil War was a prolonged and brutal conflict from 1983 to 2005 between the Sudanese government and southern rebel groups, primarily over political power, resources, and religious and ethnic tensions, which resulted in massive casualties, displacement, and ultimately paved the way for South Sudan’s independence.
• F. None of above. chosen