Answer:
B) Civil Rights Movement
Step-by-step explanation:
Civil rights are rights that actually protect the freedom of individuals from the intrusion and infringement by governments, individuals, etc. These rights help to ensure the individual's entitlement to freedom in society and the state without discrimination.
From the excerpt, it's clear that the narrator was being discriminated. But we see she was advised to note the name of the conductor or driver. Those discriminating ones were dismissed.
We see that the historic movement in this excerpt is civil rights movement. The president gave the narrator the power to note those that are discriminating and they were dealt according. This portrays that everyone should be treated accordingly and equally and not discriminated.