“Neither slavery nor involuntary servitude, except as a pun…

 “Neither slavery nor involuntary servitude, except as a punishment for crime whereof the party shall have been duly convicted, shall exist within the United States, or any place subject to their jurisdiction.”The excerpt above, is describing which amendment?

“And by virtue of the power, and for the purpose aforesaid,…

“And by virtue of the power, and for the purpose aforesaid, I do order and declare that all persons held as slaves within said designated States, and parts of States, are, and henceforward shall be free; and that the Executive government of the United States, including the military and naval authorities thereof, will recognize and maintain the freedom of said persons. And I hereby enjoin upon the people so declared to be free to abstain from all violence, unless in necessary self-defence; and I recommend to them that, in all cases when allowed, they labor faithfully for reasonable wages.”—Abraham Lincoln, The Emancipation Proclamation, 1863In what way, if any, was the Emancipation Proclamation so significant?