Question

Poor infrastructure and distribution, political instability, and chronic poverty will lead to exacerbated malnourishment in parts of central asia, and thus establishing a secure food source is a high priority for the region. this is a crisis of _____.

Answer 1

One of the way you can complete the sentence is by saying that this is a crisis of "natural resources", that is, that natural resources (food) are missing and the crisis could be solved (or mitigated) if more food was found or produced. 

Another way to complete it is to say "a crisis of humanitarian nature" since it threatens the very existence of people. <span />