Answer:
But that all changed with Marbury v. Madison, an 1803 milestone case that established the Supreme Court's power of judicial review, by which it determines the constitutionality of executive and legislative acts. Judicial review is another key example of the checks and balances system in action.
Explanation:
Answer:
i am pretty sure it is answer C
Explanation:
There would be less slavery and the south would lose the civil war
