Answer:It applied only to states that had seceded from the Union, leaving slavery untouched in the loyal border states.
Step-by-step explanation:
The Emancipation Proclamation did not apply to enslaved people in the border states of Missouri, Kentucky, Delaware, and Maryland, which had not joined the Confederacy. Lincoln exempted the border states from the proclamation because he didn't want to tempt them into joining the Confederacy.