Answer is
A. Reason
Hope this helps!
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 />
a) Whitman massacre is the correct answer .
I believe A and C are the correct answers
Answer:
Its was good :) how was yours?