Can someone please help me on these 2 questions? What was the Supreme Court's decision in the Dred Scott vs Sandford case?

That slavery diminished the national character.

That African Americans did not have the right to sue in federal court because they were not citizens.

That African American rights were protected by the Constitution.

That slavery should be abolished by executive order.

Read the excerpt from the monsters are due on maple street.as they suddenly start toward the house. in this brief fraction of a moment they take the first step toward performing a metamorphosis that changes people from a group into a mob. they begin to head purposefully across the street toward the house at the end. steve stands in front of them. for a moment their fear almost turns their walk into a wild stampede but steve's voice, loud, incisive and commanding, makes them stop.stevewait a minute . . wait a minute! let's not be a mob! the people stop as a group, seem to pause for a moment and then much more quietly and slowly start to walk across the street.which sentence from the excerpt is an example of foreshadowing? a) as they suddenly start toward the house.b) in this brief fraction of a moment they take the first step toward performing a metamorphosis that changes people from a group into a mob.c) they begin to head purposefully across the street toward the house at the end.d) the people stop as a group, seem to pause for a moment and then much more quietly and slowly start to walk across the street.