What was the most dangerous and long-lasting negative effect of Post WWII?

It affected a lot of people‘s health.

Explanation: Studies have shown that most kids that lived at this period of time and they’re elders now are more Likely to  suffer from diabetes, depression and cardiovascular disease.

there’s is also the hate It created between countries. Many people countries have hate for others because of what happened to them from that other country during the war.

also there are the depts it left many countried in.

byzantine empire is the answer i think you are looking for.

hope this : )

frederick william of brandenburg-prussia trained his son, frederick, to be a hardy soldier. but frederick disliked rifle shooting and horseback riding. unlike his father, he was interested in french literature. he enjoyed poetry and music and, like some others of the enlightenment, he scoffed at religion. his father thought him soft, frivolous and unmindful of his duties. and when frederick refused to put his signature on a right to succession, for a few moments his father strangled him.