challenge: What was Ali Abd al-Latif's role in the Sudanese nationalist movement?
  
  A. He was a leader of the Egyptian nationalist movement
  B. He was a British colonial administrator in Sudan
  C. He was a founding member of the Sudanese Communist Party
  D. He was a key member of the White Flag League and played a prominent role in the 1924 Khartoum revolt
  Answer: 