I am pretty sure that the answer is A.
Citizens should be the authors of society's laws according to Rousseau because in that way they are free and follow their own rules, created by the General Will of the people. Rousseau thought that only the Republic is acceptable as a form of government, and in it all the people are in charge of creating the law.
D because interest free would be a good thing
The right to criticize;
The right to hold unpopular beliefs;
The right to protest;
The right of independent thought.
Hope this helped !
I believe his separation of powers theory was the foundation for the U.S. Constitution. Not sure how long it was included but that's all I know.