Why does the author include this detail about the
Supreme Court ruling?

Answer:
To show that her small act was an important event that brought about great change
Explanation:
Just got it right! :))
Answer: To show that her small acts was an important even that brought about great change
Explanation: This is the answer because, Rosa Parks didn’t give up her seat to a white and it inspired people to stand up for themself with bus boycott.