I’m not sure but i believe it is b) higher birth rates and death rates
Aeschylus is referred to as the " Father of Tragedy". He is considered to be not only one of the greatest Greek Tragedians, but also one of the greatest playwrights in history. Who lived 525 B.C.E - 456 B.C.E .
-hope this helps :)
Because slaves did all the work white people felt like the didnt have to do so slaves did all the work