Answer:
C) The "Little Red Book" explained Mao’s Communist ideology, which all people in China were required to read.
Step-by-step explanation:
"The Little Red Book" was a book published based on speeches and quotes of Chairman Mao Zedong. The book explained Mao's communist idea, and at one point, all the people in China were required to read it. It also influenced young people to become, in the future, Red Guards.