She helped to 'introduce' Americans 'to' European fashions. = She helped to 'introduce' European fashions 'to' America.
The new carpet 'introduces' some color into [=adds some color to] the living room.
The rivalry 'introduced' more drama to/into the competition.
(..) flagship, and who's to argue? But what of the Pearl? Name me captain. I'll sail under your colors. I'll give you % of me plunder. And you get to introduce yourself as Commodore Barbossa. Savvy? I suppose in exchange, you want me not to kill the whelp. No, no, no. Not at all. (..)2003 Pirates of the Caribbean: The Curse of the Black Pearl