Northern reaction to the dred scott vs sanford act

Northerners were angry, shocked, and upset because it would open up slavery in their states. Some northerners feared that the spread of slavery would not stop with the federal territories. The Republicans were particularly upset because their platform in 1856 had argued that Congress held the right to ban slavery in the federal territories. Now the nation's highest court had ruled that Congress did not have this right.

Explanation:

which time period is this? or is this story fictional, i'm going to need more info to answer this question

b: the establishment clause  

b: socialism