What claim do the authors make in this passage?

Madame Villeneuve deserves credit for persuading the judges that enslaved people should not be property.
Freeing Pauline would have a significant effect on how people viewed involuntary servitude.
Because so many other people remained enslaved, Pauline's specific case was not very important.
The disagreement between King Louis XIV and the judges would have major effects on laws

The authors claim that freeing Pauline would have a significant effect on how people viewed involuntary servitude.