Which of the following tactics did Mao Zedong use against political opponents?
A. He allowed open discourse.
B. He sent them to prison or labor camps.
C. He forced them to convert to communism.
D. He put all opposing debates up for popular vote.
One of the things that Mao Zedong used against political opponents was that "B. He sent them to prison or labor camps," since he wanted to limit the number of voices speaking out against him.