The answer is:
It establishes that African Americans are willing to suffer to achieve their rights.
It shows that ordinary African Americans were glad to participate in the movement.
Martin Luther King Jr. quotes Mother Pollard's words to demonstrate African Americans' willpower and eagerness to fight for their rights. During the Montgomery Bus Boycott in the 1950s, Mother Pollard refused to take the bus in spite of her old age and was a treasured influence to King.
There are several ways in which writers use direct characterization in a story, but the most common way is that they will take time to describe each character in detail.
Gawain goes to the chapel to confess his sins and be absolved.
Wait for someone else to answer to I'm not all the way sure if mine is correct