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.”