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The first major conflict driven by the idea that America had the right to expand its borders from sea to sea.
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Southern slave states declared secession and formed the Confederacy. The other states were the Union.
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It proclaimed freedom of slaves. It also ordered that those freed could enroll in the military.
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A battle in Pennsylvania between Union and Confederate forces. THis battle had the largest number of casualties.
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Lincoln was the first American President to be assassinated. John Wilkes Booth planned and carried out the assassination.
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The railroad was 1,907 miles of continuous railroad across the western United States. It connected the Pacific Coast at San Francisco Bay.