Answer:
D. This decision established the concept of judicial review and strengthened the role of the Judicial branch.This decision established the concept of judicial review and strengthened the role of the Judicial branch.
Step-by-step explanation:
The conclusion that can be drawn from this excerpt of the Supreme Court's decision in Marbury v. Madison is that the decision established the concept of judicial review and strengthened the role of the Judicial branch, as it emphasizes the judicial branch's duty to interpret the law and decide on the operation of conflicting laws. Therefore, the correct answer is D.