The 'force' group
These nouns refer to ways of achieving something.Note that the more usual way of referring to a way of achieving something is to use by followed by the '-ing' form of a verb, as in by negotiating with the rebel leaders. Most verbs can be used like this.
by deception by diplomacy by force by magic by mediation by negotiation by stealth by subterfuge by touch by trial and error
If you'll not sell it, we are going to take it by force.
He said he was sure the crisis could be solved by negotiation.
Television is the most important medium of our lives, and I believe we can use it to educate by stealth.