Which of the following states does not border Mexico?

well you didnt say what states...

but the states that DO border mexico are texas, new mexico, arizona and california.

b). (sounds as the best answer)

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.