Yesterday rachel worked slowly because she was so tired. which words in the sentence function as adverbs?

What does sterling brown mean when he mentions the chain gang a.) brown is referring to people in general, who are chained in their minds. b.) brown is referring to slaves in chains c.) brown is referring to gangs in the ghetto chained to their crimes and poverty d.) brown is referring to men perhaps prisoners singing/chanting while working.

In what way do you think it would be difficult to live next to the united states

Which part of speech stands in place of a noun? pronoun preposition conjunction adjective