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.
(..) without a trace, but this is one of Cole's blue rose cases. The clues found by Special Agent Desmond and Agent Stanley... have led to dead ends. The letter extracted from beneath the fingernail of Teresa Banks... gives me the feeling the killer will strike again. But like the song goes... (..)1992 Twin Peaks: Fire Walk with Me