Which of the following lines declares the authority by which Lincoln makes the January 1, 1863, proclamation?
A. "Now, therefore, I, Abraham Lincoln, President of the United States, by virtue of the power in me vested as Commander-in-Chief of the Army and Navy of the United States..."
B. "In witness whereof, I have hereunto set my hand and caused the seal of the United States to be affixed."
C. "And for the support of this Declaration, with a firm reliance on the protection of Divine Providence, we mutually pledge to each other our Lives, our Fortunes, and our sacred Honor."
D. "We hold these truths to be self-evident, that all men are created equal, that they are endowed by their Creator with certain unalienable Rights, that among these are Life, Liberty, and the pursuit of Happiness."