What is tour question because I can't see it?
For the main reason that "it promoted sacrifice for the common good." the speech was commonly read during the Cultural Revolution. This speech was the primary political propaganda of Mao Zedong as a slogan during the dark times of the Chinese cultural history.
Answer: Modify your own claim to reflect the new information.
<span>Interesting word choice-
descriptive writing requires the proper word choice as it has to describe all the context to make the reader have a different perspective of the story.
so correct option is A
hope it helps</span>