If you look at what these sanctions are aiming to do, they are very specifically targeted at the senior leadership of North Korea. The sanctions go after the "illicit activities of North Korean diplomatic personnel, North Korean banking relationships, illicit transfers of bulk cash and new travel restrictions", most of which will not directly affect the vast majority of children in the country.

source: http://www.guardian.co.uk/world/2013/mar/05/us-proposes-toug...