That on the first day of January, in the year of our Lord one thousand eight hundred and sixty-three, all persons held as slaves within any State or designated part of a State, the people whereof shall then be in rebellion against the United States, shall be then, thenceforward, and forever free; and the Executive government of the United States, including the military and naval authority thereof, will recognize and maintain the freedom of such persons, and will do no act or acts to repress such persons or any of them in any efforts they may make for their actual freedom. –Emancipation Proclamation,

Abraham Lincoln

What role will the executive government and military authorities play in upholding the proclamation?

They will maintain and protect the rights of free persons with respect to freedom.
They will persecute states and persons that have engaged in rebellion against the US.
They will do acts to liberate enslaved persons in any and all states.
They will recognize the freedom of persons and states in rebellion with the US.