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Answer:
Marbury v. Madison is important because it established the power of judicial review for the U.S. Supreme Court and lower federal courts with respect to the Constitution and eventually for parallel state courts with respect to state constitutions.
Explanation:
One of the important elements of his presidency was the Square Deal policy. ... Roosevelt's progressive ideas and his Square Deal Policy in relation to Control of the Corporations were demonstrated during the Anthracite Coal Strike of 1902 saw President Roosevelt act as a mediator during the bitter dispute.
Answer:
a. trade with Europe expands
It brought an end to the war
