<span>Besides connecting the eastern United States with the western United States, the Transcontinental Railroad was also instrumental in providing employment for thousands of Americans. </span>
<em>The answer is</em> The Great Retreat
<em>I hope this helps </em>
In Dred Scott v<span>. </span>Sandford<span> the Supreme Court ruled that Americans of African descent, whether free or slave, were not American citizens and could not sue in federal court. The Court also ruled that Congress lacked power to ban slavery in the U.S. territories.
Hope I could help :)
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