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 It would be the encyclopedia the best material to use to research the historical references made in wheatley's "to his excellency, general washington".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>
The total amount of a product available in a market at a given price is called the supply.
There are a lot of factors that affect supply such as the price of the product, price of similar goods in the market, price of inputs, and the number of suppliers.
Answer: The mountains, which served as natural barriers and boundaries, dictated the political character of Greece. From early times the Greeks lived in independent communities isolated from one another by the landscape. Later these communities were organized into poleis or city-states. The mountains prevented large-scale farming and impelled the Greeks to look beyond their borders to new lands where fertile soil was more abundant.
The answer is D
Hope this helps :D