1) Link between functionality and maintenance cost and aging infrastructure 2)Link between allocated funds to prioritization of funds for aging infrastructure 3) Link between frequency of breakage and aging infrastructure find articles that discuss each topic. there are two topics per section. analyze compare and contrast what each author says about topic and relate them. 6 topics 3 sections ex topic 1: functionality and maintenance cost of infrastructure topic 2: aging infrastructure that is one section everything is being related to aging infrastructure