Answer:
The announcement ended the costly full-scale civil war between the Chinese Communist Party (CCP) and the Nationalist Party, or Kuomintang (KMT), which broke out immediately following World War II and had been preceded by on and off conflict between the two sides since the 1920's.
The correct answer is A.
This is evident from the fact that the Industrial Workers of the World passed a resolution against the United States involvement in World War I at their convention in November of 1916. The IWW and socialist party both felt that wars were a way for the rich to get richer and the only people who suffered from this were the working class citizens.
A: natural rights of individuals