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.
(..) to your apartment and was playing a trick? That's exactly what we thought. But never once did we find any sign or evidence of intrusion. And this all led you to believe that the doll was possessed? Yes. Camilla got in touch with a medium. We learned from her that a -year-old girl... (..)2013 The Conjuring