Why do DEMOCRATS think they are entitled to the BLACK vote when a REPUBLICAN President FREED SLAVES?

Why do DEMOCRATS think they are entitled to the BLACK vote when a REPUBLICAN President FREED SLAVES?

Just a quick History lesson.

Abraham Lincoln, the 16th US President, issued the Emancipation Proclamation that freed slaves.

Lincoln was a Republican.

When you look at this snippet of history, why do Democrats believe that they are entitled to the Black vote?

Why do DEMOCRATS think they are entitled to the BLACK vote when a REPUBLICAN President FREED SLAVES?
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