Please help with these 2 questions thank you

In which sentence is the italicized word used correctly? a) the sloth is a benefactor that primarily feeds on vegetation, insects, and small birds and reptiles. b) the flood victims were eternally grateful to their benefactors who provided them with food, shelter, and clothing. c) the spectators in the stadium all cheered when the benefactor announced the game would go into overtime. d) the benefactors visiting the laboratory were impressed by the complex equipment the scientists used.

How have changes in transportation affected washington, d.c.

Why are both hamilton and jefferson writing to george washington? based on both of these letters, what seems to have been happening in george washington's administration? how can you tell?