Do you speak English, if so I can help ou in the comments!
I have already answered this question on another brainly question an the answer is that the president doesn't have the power to declare war
They did this because the soil was more fertile while it got harder to farmer further West
"<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>
