Complex sentence: The doctrine of human rights has been highly influential within international law, global and regional institutions, in the policies of states and in the activities of non-governmental organizations and has become a cornerstone of public policy around the world.
Split into simpler sentences: The doctrine of human rights has been highly influential within international law, global and regional institutions. Policies of states and in the activities of non-governmental organizations and has become a cornerstone of public policy around the world.