Letter A is correct I think but don't rely on me too much K
To deduct why they need laws
Valdimir held a baptism for all the citizens of kiev in the Dnieper River.
Songhai was invaded by the Moroccans.<span> The Moroccans wanted to control the salt mines.</span><span> They were able to take over Timbuktu and Gao.</span><span> Changes in trade patterns completed Songhai’s fall.
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Answer: judicial review.
Explanation:
Marbury v. Madison was. Supreme court whereby the United States Supreme Court declared that a certain act of the Congress was not constitutional, and this ultimately kee to the judicial review.
Therefore, in Marbury v. Madison, the Supreme Court asserted the power of judicial review.