The Silk Road began as a way for countries to trade things such as Silk, Horses, Nephrite Jade, Lapis Lazuli, Spinel, etc...
I think the correct answer from the choices listed above is the third option. It would be the encyclopedia the best material to use to research the historical references made in wheatley's "to his excellency, general washington". It is <span>a book or set of books giving information on many subjects or on many aspects of one subject and typically arranged alphabetically.</span>
Sofia is the capital. Hope this helps you.
. True it was used to kill people
