Answer:
Dred Scott v. Sanford in 1857
Explanation:
The ruling said that all African Americans were not U.S. citizens. Dred Scott tried to sue so he could have his freedom.
A portable fridge backpack
C I am pretty sure but it might be wrong
Answer:
difference threshold
Explanation:
Darrius is trying to play a trick on his housemate. He wants to add more weight to her backpack before she leaves for school, but he doesn't want her to notice it. He should determine the difference threshold so that he doesn't add enough for her to notice the additional weight.
Answer:
The difference in how Democrats and Republicans view Vaccines, and who they get their advice from.
Explanation:
I hope this helps, and thanks! Brainliest please! God bless!