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.
(..) about a graveyard, professor. "Marvelous creatures, dragons, aren't they?" Did you think that miserable oaf would've led you into the woods... ...if I hadn't suggested it? Do you think Cedric Diggory would've told you to open the egg underwater... ...if I hadn't told him first myself? Did you think Neville Longbottom, the witless wonder... ...could've provided you with gillyweed if I hadn't given him the book... ...that led him straight to it? It was you from the beginning. You put my name in the Goblet of Fire. - You bewitched Krum, but you... - "But... But..." (..)2005 Harry Potter and the Goblet of Fire