Correct answer only ! how is the underlined prepositional phrase in this sentence being used?

Hurry 50pts read the excerpt from justice curtis’s dissenting opinion, then answer the question that follows. slavery, being contrary to natural right, is created only by municipal law. this is not only plain in itself, and agreed by all writers on the subject, but is inferable from the constitution, and has been explicitly declared by this court. the constitution refers to slaves as “persons held to service in one state, under the laws thereof.” . . . . it was certainly understood by the convention which framed the constitution, and has been so understood ever since, that, under the power to regulate commerce, congress could prohibit the importation of slaves; and the exercise of the power was restrained till 1808. a citizen of the united states owns slaves in cuba, and brings them to the united states, where they are set free by the legislation of congress. does this legislation deprive him of his property without due process of law? if so, what becomes of the laws prohibiting the slave trade? if not, how can a similar regulation respecting a territory violate the fifth amendment of the constitution? . . for these reasons, i am of opinion that so much of the several acts of congress as prohibited slavery and involuntary servitude within that part of the territory of wisconsin . . were constitutional and valid laws. –dissenting opinion on dred scott v. sandford, justice benjamin curtis which evidence best supports curtis’s opinion that dred scott should be free because he lived in a free territory? check all that apply. “the constitution refers to slaves as ‘persons held to service in one state’” “the convention which framed the constitution . . has . . the power to regulate commerce.” “a citizen of the united states owns slaves in cuba.” “does this legislation deprive him of his property without due process of law? ” “acts of congress as prohibited slavery and involuntary servitude within that part of the territory of wisconsin . . were constitutional and valid laws.”

Read the excerpt from queen elizabeth's response to parliament's request that she marry. for i assure you (what credit my assurance may have with you, i cannot tell, but what credit it shall deserve to have, the sequel shall declare) i will never in that matter conclude any thing that shall be prejudicial to the realm. for the weal, good and safety whereof, i will never shun to spend my life; and whomsoever it shall be my chance to light upon, i trust he shall be such, as shall be as careful for the realm as you; i will not say as myself, because i cannot so certainly determine of any other, but by my desire he shall be such as shall be as careful for the preservation of the realm and you, as myself. in this excerpt, queen elizabeth says "for the weal, good and safety whereof, i will never shun to spend my life" in order to convince her audience that she is unbiased, intelligent, and rarely makes mistakes. inform her audience that she will work hard to win back the broken trust of her followers. persuade her audience that she will never make personal decisions that will harm england. remind her audience that she is the ruler and in charge of enacting laws that protect england.

Which of the following is a complex sentence? a. after henry submitted his essay, he realized that he hadn't proofread the last page. b. identity theft is a growing problem, especially among seniors. c. we didn't have enough potatoes for dinner, so we served rice instead. d. jim tried to watch a video on a device connected to a crowded wireless network; as a result, the video stuttered and froze.