At the beginning of the Civil War, many freedmen and recent-runaway slaves tried to enlist in the Army to fight for the North. There were laws against that kind of thing then, but after the Emancipation Proclamation in 1863, the Union Army was open to former slaves.
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Right now, you might be seeing a tarantula or two while driving or hiking around the back country. Rather than dissolving into a quivering pool of arachnophobia, try to focus on the interesting aspects of our eight-footed friends.