Political analysts have identified a significant change in the American public’s level of trust in government over the last 50 years. What are the most important reasons for low public trust in government? Is there any reason to be worried about how much trust citizens have in their government?

by using  production possibilities graph.  opportunity costs are key expenses in financial matters and are utilized as a part of registering money saving advantage investigation of a venture. such expenses, be that as it may, are not recorded in the record books but rather are perceived in basic leadership by processing the money costs and their subsequent benefit or misfortune.

the boundarys like convergent divergent and transform it causes subduction

world bank is the correct answer.