His volunteer work in the hospital 'led' him 'to' a career in nursing. = His volunteer work in the hospital 'led' [='inspired'] him 'to become' a nurse.
We've been 'led to believe' that the labels on food items disclose all ingredients, but it's becoming clear that this is not the case.
His volunteer work in the hospital 'led to' a career in nursing. = His volunteer work in the hospital 'led to' him becoming a nurse.
(..) the Mockingjay, sir. If Peeta didn't kill her, her own arrogance did. Of course. That's the same facile thinking that led you to divert our best peacekeepers into district . You have a habit of burying people before they're dead. If the Mockingjay were gone, (..)2015 The Hunger Games: Mockingjay - Part 2