Worst of all would be the insertion of U.S. conventional forces in large numbers.
And the insertion of technology into clothes raises a host of potential problems: what if you outgrow the shirt?
I thought it was this interesting way of creating this insertion to the architecture of his own book.
1590s, "act of putting in," from Late Latin insertionem (nominative insertio), noun of action from past participle stem of inserere (see insert). Meaning "that which is inserted" attested from 1620s.
insertion in·ser·tion (ĭn-sûr'shən)
The point or mode of attachment of a skeletal muscle to the bone or other body part that it moves.
The placing of a dental prosthesis in the mouth.