In the following sentence, tell me if the word could should be considered a verb along with the word cultivate.
they could cultivate larger areas with these efficient plows.
also in the sentence, soon middle eastern civilizations needed new sources of tin- tell me if middle eastern is considered a noun in the sentence.

Read the excerpt from martin luther king jr.’s "i have a dream” speech. and so let freedom ring from the prodigious hilltops of new hampshire. let freedom ring from the mighty mountains of new york. let freedom ring from the heightening alleghenies of pennsylvania. let freedom ring from the snow-capped rockies of colorado. let freedom ring from the curvaceous slopes of california. but not only that: let freedom ring from stone mountain of georgia. let freedom ring from lookout mountain of tennessee. let freedom ring from every hill and molehill of mississippi. from every mountainside, let freedom ring. the most likely reason king uses allusions in this part of his speech is to share his knowledge of american geography. compare northern and southern destinations. remind listeners about small-town accountability. encourage listeners to envision freedom everywhere.

What did mark twain contribute to the history of the novel? select all that apply.

How would the meaning of the excerpt change if mutterings was replaced with conversations?