Our international institutions and treaties have failed to move with the times. They were formed to provide a system through which to tackle common threats while protecting national interests. But interdependence has advanced beyond anything imagined then and in recent times the global institutions have proved totally powerless at providing successful global authority. All too often efforts to address the many common challenges are pulled down by narrow national interests.

Question: In the passage the treater dependence is explained.
Options:
A. true, B. false, C. uncertain
Answer: "B"