They conclude that psychological trauma and social dislocation are the major consequences of child soldiering. But these studies seldom address impacts other than social/psychological and are often anectotal. They seldom use representative samples or address attrition, selection bias or micro-level impacts.
The right answer would be B)Logical evidence showing that sugar farming was changing because of laws and low prices. I just read the passage and knew it was right. :) Hoped this helped