"In the post-9/11 world, threats are defined more by the fault lines within societies than by the territorial boundaries between them. From terrorism to global disease or environmental degradation, the challenges have become transnational rather than international. That is the defining quality of world politics in the twenty-first century.
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Domestic- Possible Terrorist threats inside of the country(ghost cells), also large lockdown on foreign immigration and airplane security. Outside the US, non direct war in Afghanistan and Middle East, vs Russian Backing and terrorist organizations like ISIS and Al-Queda, the first is far more lethal to American Assets
