Answer:
D. Most slaveowners had very few slaves.
Explanation:
The largest part of the pie chart represents the smallest number of slaves; therefore, most (the largest section of the graph) people had very few slaves.
That they could continue to own slaves
Answer:
2. & 3.
Explanation:
That's my guess, this is a somewhat subjective question that really applies to your curriculum, hopefully someone who has taken the course can give a better answer.