Who was the first president to wear long pants for his swearing-in ceremony?

post the grid otherwise i cant .

also it sounds like a math question not history.

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.