Empire means a group of countries or companies that are under the control of one person.
What made slavery legal was D. the Bill of Rights, Because amendment 13 officially abolished slavery in the United States and continues to this day.
So D. is your anwser.
Hope this helps. :)
Answer:
6 month
Explanation:
A group of protestors, led by Revolutionary War veteran Daniel Shays, began a 6 month rebellion by taking over the Court of Common Pleas in Northampton; the goal was to prevent the trial and imprisonment of debt-ridden citizens.