, what are the similarities and differences from when James Baldwin and Race were filmed in the early 1960s and today in 2021? Has there been a great deal of progress?

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.