Emperor , who had a "brain fever" as a child, had a reputation for intense cruelty, depraved sexual practices, and lavish spending. he was assassinated by his own praetorian guard.

the influence of daoism, buddhism, and legalism on chinese culture. unlike confucianism, daoism looked to nature rather than human beings as the source of morality. according to laozi, human society has to conform to the dao (the way), or the essential unifying element of all that is. some interpret dao as nature.

yellow fever and other tropical diseases

there has only been 12 presidents. the 12th president is/was moon jae-in

i believe it to be a democracy