Answer:
A. More roads and aqueducts were built.
Explanation:
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The answer is A, it was the boundary between slavery. Anything north of the Ohio river was slavery free and anything south was free game for slavery.
The correct answer is<span> Office of Homeland Security</span>
Lincoln issued the Emancipation proclamation which freed all the slave. "Emancipation Proclamation, which stated that slaves in those states or parts of states still in rebellion as of January 1, 1863, would be declared free." He also recruited African Americans for the union force and they also establish African American units. "Proclamation announced the acceptance of black men into the Union Army and Navy, enabling the liberated to become liberators." It made Lincoln political party stronger. "It added moral force to the Union cause and strengthened the Union both militarily and politically"
