In the Laws, Plato shows that the type of government is the cause of people's character, not the result. so while DNA and environment have been considered, the counter intuitive fact is the government affects the very character of the people growing up in it. -for better or worse.
I mean to say the USA Constitution was product of James Madison with the impute of other great thinkers. But after it is in place, it affects the nature of Americans.
