The Republican Party opposed the Dred Scott decision in 1857 meaning they are your answer. The Republican party was anti-slavery and the Dred Scott decision still counted African Americans as non-citizens.
<em>Read more about the</em><em> political parties </em><em>opposed to the </em><em>Dred Scott decision </em><em>here:</em>
The third option is correct: Ronald Reagan's plan to outspend the Soviet Union led to a collapse of the Soviet economy and the political overthrow of its government.
