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