"remember only that philip is our enemy, that he has long been robbing and insulting us, that wherever we have expected aid from others we have found hostility, that the future depends on ourselves, and that unless we are willing to fight him there we shall perhaps be forced to fight him here. . you need not speculate [guess] about the future except to assure yourselves that it will be disastrous unless you face the facts and do your duty." —demosthenes, "the first philippic" in orations of demosthenes of what can the greeks assure themselves if they fail in their duty?
a. bankruptcy
b. famine
c. disaster
d. plague