I would think it would be D.
A is incorrect as slavery was just made illegal.
B is incorrect as the United States could not allowed African Americans to not abide by laws.
C is incorrect as it encourage the slaves to assault the slave owners
Answer:
In practice, neither the Vice President nor the President pro tempore—customarily the most senior (longest-serving) Senator in the majority party—actually presides over the Senate on a daily basis; that task is given to junior Senators of the majority party.
The answer is D. to maintain the old way of life
