An interest group (also called an advocacy group, lobbying group,
pressure group, or special interest) is a group, however loosely or
tightly organized, that is determined to encourage or prevent changes in
public policy without trying to be elected.
So based off this knowledge, we can eliminate C. :)
I don't think it's A or B because they are more concerned with change
and advocacy than a "free time" thing.
So going with this definition, I'd go with D ;)
Answer:
C slaves were considered personal property
Advances in technology increased taxes on business
One of the major problems with the League of Nations was that it was formed based off of the treaty of versailles and the Germans and the Americans therefore there was anger built into the group from the beginning