<span>B. Population trends</span>
Perhaps in the Civil War era, the Dred Scott decision angered Abolitionists as the Supreme Court declared African Americans could not be a US citizen as they were not mentioned as as in the Constitution and that Congress abused their power by abolishing Slavery above the Mason Dixon line and in the New Western territories.
Northerners and famously Fredrick Douglass denounced the court ruling.<span />
<u>The Union’s advantages as a large industrial power and its leaders’ political skills contributed to decisive wins on the battlefield and ultimately victory against the Confederates in the American Civil War.</u>
William Howard Taft was the 27th president of the U.S.