Judicial Review is the principle wherein the Supreme Court has the power to review laws and declare the laws to be constitutional or unconstitutional. Constitutional scholars trace the principle of judicial review back to the SCOTUS case Marbury v. Madison.
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Steam engines were used in all sorts of applications including factories, mines, locomotives, and steamboats. How does the steam engine work? Steam engines use hot steam from boiling water to drive a piston (or pistons) back and forth. The movement of the piston was then used to power a machine or turn a wheel.
