The scale of humanitarian aid to the poor and unstable regions of the world grows, but it is highly vulnerable to corruption, with food aid, <answer>construction</answer> and other highly valued assistance as the most at risk. Food aid can be directly and physically diverted from its intended destination, or indirectly through the manipulation of assessments, targeting, registration and distributions to favor certain groups or individuals.
Along with food aid, what is most at risk in these countries?
construction