challenge: What is known about Niketas Abalantes' expedition against the Fatimid Caliphate in Sicily?
  
  A. He successfully conquered the island and brought it under Byzantine control.
  B. He formed an alliance with the Fatimid Caliphate to counter a common enemy.
  C. He led a major expedition but was defeated and spent time in captivity.
  D. He led a minor expedition and was quickly defeated.
  Answer: 