The answer is Liberia and Euphoria
It was once called negro history week
Germany would have gone to war and conquered her neighbors no matter what her geographic location if she had fought and been forced to pay reparations after WWI.
That said, she shared part of her borders with Austria Switzerland (which was neutral) Denmark Czechoslovakia Poland and France. These countries would have to defend themselves at the border entries. None of them were well equipped enough to do that.
The Missouri Compromise was an agreement made to keep the balance of slave and free states equal. Missouri was added as a slave state and Maine added as a free state in 1821.