Which of the Following Is True of Human Rights Treaties

Which of the following is true of human rights treaties?

A) Human rights treaties are important,because ratifying those treaties ensures states' willingness to comply with their provisions.
B) Setting standards is a critical role that treaties play,as they lay out a clear benchmark for assessment of states' human rights record.
C) NGOs have played little to no role in the creation of human rights treaties,but they do help monitor actions regarding human rights.
D) Treaties are important because without a treaty,states cannot act against states that abuse human rights.