Ask this question again, you're going to need a more specific time the president has done this. however, if you are asking about WWI, the USS Lusitania, the Zimmerman Telegram, German U Boats targeting American ships, and so on.
Benefits of a map is that it can help direct you to were you want to go
The answer is A ......................
Can you further elaborate on this question what are you asking?
"<span> ...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." THIS IS THE MAIN IDEA OF THE EMANCIPATION PROCLAMATION. </span>