Answer: the Republican Party
Explanation:
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>
<em>brainly.com/question/19853806</em>
Swing voters tend to sometimes vote democratic and sometimes vote republican. Therefore, B.
He hoped it would give the US an advantage over the Soviet Union since it was much more powerful than an atomic bomb.
