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.
(..) Okay. Everybody out. OUT! Mayor Duran Is about to take to the stage and introduce Detroit's newest weapon in the war on crime. I'm actually getting word that he's ready to go right now. Heart rate rising, he might start spiking Doctor. (..)2014 RoboCop