How did the league of nations deal with offending nations check all that apply

Verbal warnings, economic sanctions, and military force.

Explanation:

The league used verbal warnings to tell countries whenever they committed acts of aggression, and used economic sanctions as a form of punishment to hurt their economy. In certain circumstances, they would also use military force to punish transgressors.

the answer that best explains what happened to george washington at fort necessity, pennsylvania is : washington was attacked by the french but was able to negotiate with them to peacefully end fighting. the battle took place on july 3, 1754. the battle is considered as being the start of the french and indian war.