After hearing that a book is a "bestseller," you feel compelled to buy it. Which underlying principle of social influence best explains your reaction?: Group of answer choices the principle of social proof the principle of consistency the principle of reciprocity the principle of unity the principle of scarcity

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.

industry had made the u.s. the richest nation in the world at this time. the second industrial revolution caused growth in industry and transportation, which allowed increased trade between nations. click to let others know, how is it

answer; collective security;