I'm pretty sure it's C, because America didn't want to get involved in the war until Japan attacked Peal Harbor.
hieroglyphics and papyrus helped grow the the civilization in Egypt because it was one of the first forms of a language and could easy be made to make a hieroglyph you needed a surface and paint. on the other hand papyrus made it possible to make writing that could be delivered by one man or stored in a place not written on a wall. it was the early form of paper. much easier to carry imagine trying to deliver a giant rock with writing just not gonna happen.
You can try out this book, its my favorite so far.
Tuck Everlasting by Natalie Babbitt.