a slow creep into socialism (by about 2030)
consequent world market collapse by 2032 followed by economic depression.
WWIII started in 2036 wherein China attempts to extend its influence over a weakened world order
US unable to help due to leftist ideologies that have crippled it.
In 2042 China wins.
Redistricted countries have US/Mexico/Canada as a singular country
massive population increase has moved societies into acceptance of quick euthanasia for most terminal illness.
State approved births are the only legal births and it is based on means to care and genetic proclivity.
in 2068 China has fully embraced eugenics and births are no longer approved naturally. Instead, genetically engineered humans are the way.
the moral argument is that they are doing good by eradicating disease and mental and physical disorder. however, they have also included dispositions toward blind obedience.
Slaughters of non-eugenic populations occur in various parts of the world. However, in 2082, a rare virus unearthed by the melted ice-caps wipes out nearly all of the eugenic population leaving a much smaller natural population of non-eugenics. the scientists had attempted to cut out a gene thinking it a useless vestige when in fact it has saved our ancestors thousands of years ago when the virus first cropped up.
In 2090 a smaller and more peaceful order of humans is created.
In 2106, an asteroid hits the earth , killing all but small microscopic life.