Terrorism and Counterterrorism (MOOC) – Free online

Terrorism and Counterterrorism (MOOC) Leiden University MOOCs For 2015 to subscribe go to the link : https://www.coursera.org/learn/terrorism/ What is the danger of terrorism, and how can the world respond effectively? https://www.edx.org/course/terrorism-counterterrorism-georgetownx-guix-501-02x