The white abolitionist movement in the North was led by social reformers, especially William Lloyd Garrison, founder of the American Anti-Slavery Society, and writers such as John Greenleaf Whittier and Harriet Beecher Stowe.
They did it because they feared that without a specifically enumerated bill of rights that the government could become tyrannical in the same manner in which the British were tyrannical. They believed that rights of people and states should be written and stated officially instead of just being implied since implied things are easy to exploit and maneuver according to your needs.
Answer: D: They unified their lands under one religion.
Explanation: When Ferdinand and Isabella got married they unified their two kingdoms resulting in establishing Spain as having one religion which is Catholic.
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C. power is shared between national government and smaller political subdivisions which i guess is equivalent to the states in this scenario