If a gladiator lost the fight, he/she could still beg for their life. How did this
happen?

do your own work

you really need to do your own work and stop cheating

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.