Why do laws continue to evolve

How does the poem's mood and tone change in each of these stages of “o captain! my captain! ” by walt whitman? (i need an answer asap )

Read the excerpt from warriors don't cry. as we approached behind them, we could see only the clusters of white people that stretched for a distance of two blocks along the entire span of the school building. my mind could take in the sights and sounds only one by one: flashing cameras, voices shouting in my ears, men and women jostling each other, old people, young people, people running, uniformed police officers walking, men standing still, men and women waving their fists, and then the long line of uniformed soldiers carrying weapons just like in the war movies i had seen. which words create the mood in the excerpt? check all that apply.

Fill in the blanks mommy told the kids, who promised they up their rooms by lunch, that they would go to the park. a would cleanb cleanedc have cleaned