Compounded by the spread of deadly armaments, these "problems without passports" create the conditions in which political instability, warfare, and extremism thrive. They could lead the world into a dangerous downward spiral in which the basic fabric of nations is called into question, political fault lines deepen, and radicalization grows. Tackling these challenges demands a strategy that emphasizes prevention-focused programs rather than military might, the report concludes. In particular, the report calls on governments and others to take the following actions: