It could be said that the theme, or central idea, of “the negro speaks of rivers” is the long history of the black race. what evidence from the poem supports this view?

In the poem "The Negro Speaks of Rivers," the author Langston Hughes makes reference to the long history of the black race mainly when he mentions the Mississippi river, which he can see from a long train journey. He reflects on his ancestors and the relevance of the Mississippi river in times of slavery. He also conveys he has been through a lot of racial injustice and prejudices, but contemplates what he will become in the future.

true. the definition explains it: a word or phrase that modifies or qualifies an adjective, verb, or other adverb or a word group, expressing a relation of place, time, circumstance, manner, cause, degree, etc. this is a dictionary definition that i have looked up in a dictionary.

the pronoun reference replaces a noun, but you have to make sure there's no room for confusion.

in the first sentence "her" could be referring to shely or to the sister. the answer there is "shelly called her sister and told her about the new baby."

in the second sentence "it" could be referring to the roof or the floor. the answer there is "since the roof leaks on the family room floor, we need to repair the roof."