The man who had introduced them into his system in the first place?

Next year they are to be introduced into other areas.

So the day introduced me into the way things do not work.

It has not been introduced into the current 110th Congress.

Music education is introduced into the public school system of Chicago.

And so we've got to introduce high technology into health care.

In 2003, the college introduced girls into the school for the first time with 140 female students.

After a time we introduced some sort of system into it.

That something new has been introduced into its personal environment.

What will be introduced into the Soviet economic system and why?