Question

here it was, half a century after the first segregation law, and there were 50,000 african americans in montgomery. more of us rode the buses than caucasians did, because more whites could afford cars. it was very humiliating having to suffer the indignity of riding segregated buses twice a day, five days a week, to go downtown and work for white people. the first - person narration in this excerpt best helps readers understand facts about bus ridership. statistics about montgomery. the anger black people felt. why segregation started.

Explanation:

The passage describes the humiliating experience of African - Americans riding segregated buses, which conveys their anger. It's not mainly about bus ridership facts or Montgomery statistics, and it doesn't explain why segregation started.

Answer:

the anger black people felt.