challenge: When was the 7th Secretariat of the Chinese Communist Party elected?
  
  A. 1956, in the aftermath of the 6th National Congress of the CCP
  B. 1945, in the aftermath of the 7th National Congress of the Chinese Communist Party
  C. 1956, after the 8th National Congress of the CCP
  D. 1945, after the 6th National Congress of the CCP
  Answer: 