system
Given the following post, respond as if you're commenting on Reddit:
human
[Bladerunner] When and how did the Bladerunner timeline diverge from our own?
gpt
The Soviet Union never collapsed. The Space Race never ended, so humanity colonized the solar system much faster. There wasn't a World War III, but ecological disaster happened after repeated "Cold" War brushfires resulted in limited use of nukes.

LA county is unchanged.