The answer to this question is the "Macrosystem" which is also composed of cultural values, customs, laws and others. As per the recent changes in the medicare system where it affected the quality of the health care that Arnold's family especially the elderly aunts receives. These type of changes do not directly affect Arnold but as per the Aurie Bronfenbrenner would say that they changes would affect Arnold's development because they are part of Armold's Macrosystem.