system
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human
[Terminator] How did John Connor start the human resistance in the first timelines?

So, John was born 1984/85, and the first judgement day occursed in august 4 1997. So, when judgement day happend, John would be 12 years old. So, how did a little kid start a resistance? Or, did Sarah survive as well and raised him in the postapocalypic hellscape, and he started it much later? (which would mean less people still surviving) Or did Sarah start anything?
gpt
In the original timeline, Sarah Connor survived Judgement Day. She was killed by terminators in Buenos Aires in 2012, leaving John Connor to fend for himself. John himself was transferred to a work camp in San Francisco and there met Kyle Reese. He rallied his fellow prisoners, taught them how to fight their camp guards and with them form TechCom, the core of the Resistance against Skynet.