"Border states" were states that allowed slavery, but did not secede. (Kentucky, Missouri, Maryland) Why didn't they?

Of the states that were exempted from the proclamation, Maryland (1864), Missouri (1865), Tennessee (1865), and West Virginia (1865) abolished slavery before the war ended. However, Delaware and Kentucky did not abolish slavery until December 1865, when the Thirteenth Amendment was ratifiedxplanation:

music and prayer? (you may punch me in the face if im wrong : > )

we need to see the passage before we can do anything further.   give me brainliest