a. district courts is the answer
Uncle tom's cabin started out as a series of articles printed in the national Era, A WEEKLY newspaper
Some evidence exists that ancient Greek and Roman artists used chiaroscuro effects, but in European painting the technique's originator was Leonardo da vinci in the late 15th century in such paintings as his Adoration of the Magi (1481).
Answer:
Judicial review gave Judicial branch right to say that a law is unconstitutional or constitutional, which gave Judicial Branch a check on executive and legislative branch. Hence, checks and balance is a principle protected by judicial review
Explanation: