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 police weren't gettin' it done. Perhaps they might have... if you hadn't made a sideshow of yourself. - You thought I didn't have it in me. - Now, you led a bloated police force on a merry chase with a load of fancy new toys from Fox. What about when you come up against him? What then? (..)2012 The Dark Knight Rises