In Blade Runner, what happened during World War Terminus?

Do Androids Dream of Electric Sheep (written by Philip K. Dick) briefly mentions World War Terminus but the movies seem to gloss over it. This video attempts to address some of the unanswered questions that Blade Runner fans may have about what exactly transpired during the events of WWT as well as the consequences of the war for human, animal, and plant life on earth.

SOURCES:

https://www.litcharts.com/lit/do-androids-dream-of-electric-sheep/symbols/world-war-terminus

PHOTO CREDITS:

https://www.reddit.com/r/bladerunner/comments/7rli2v/offworld/

https://www.reddit.com/r/bladerunner/comments/s3h95u/blade_runner_by_robert_watts/ (Robert Watts)

https://amplify.nabshow.com/articles/blade-runner-revisited-honestly-it-seems-about-right/

https://www.mobygames.com/game/windows/blade-runner/screenshots/gameShotId,6549/

https://www.chicagotribune.com/entertainment/books/ct-books-blade-runner-2049-philip-k-dick-20171019-story.html

https://fandomania.com/comic-preview-do-androids-dream-of-electric-sheep-dust-to-dust/

https://www.deviantart.com/lucasandrades500/art/Blade-Runner-World-Map-764809283 (Lucas Nunes)