Final answer:
Negotiation and diplomacy should be applied when words do not control a situation and the use of a weapon is not appropriate or necessary.
Step-by-step explanation:
When words do not control and the use of a weapon is not appropriate or necessary, negotiation and diplomacy should be applied. These methods involve peaceful communication and compromise to resolve conflicts. Instead of resorting to physical force, which can escalate the situation, negotiation and diplomacy can lead to a mutually beneficial solution for all parties involved.