**50 points! * can somebody tell me how the ethnic groups, religion, history, geography and outside pressures contributed to the fall of yugoslavia and czechoslovakia

answer; i believe that the correct answer is (c) ///

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.