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.
(..) Look, pal, I don't know who you thinkyou are! Oh! Ofcourse! Oh, how rude. Please let me introduce myself. Oh, Merry Men! Ta, dah, dah, dah, whoo I steal from the rich and give to the needy - He takes a wee percentage (..)2001 Shrek