How To Control/Disable Automatically Re-opening Apps/Services?

I am a new MacBook Air (Intel) owner and this function I’m trying to fix is my machine automatically re-opening all previously opened apps & services from last session, when I’d rather start from all closed & open manually. I recall this was a prompt I’d get on my old MacBook but I don’t seem to get that anymore.
I’ve also double checked that there’s nothing listed in my ‘Login Items’ under my user name.
I don’t want to tax my machine by opening ALL the previously opened windows when I don’t necessarily need them all running again.
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Jeff F.