for what consumer item did Robert de Graff create a vast new market?
a. zippers
b. movies
c. paperback books
d. trucks
?
is it C?
Right! :-)
The answer is c. paperback books.
To find the answer to this question, you can start by researching who Robert de Graff is. Robert de Graff was an American publisher and book salesman who played a significant role in popularizing paperback books in the United States.
Next, you can look for information on what consumer item he is associated with and for what he created a vast new market. It will likely be mentioned in articles, biographies, or historical records related to Robert de Graff's work.
Using search engines, library databases, or reputable online sources, you can search for phrases such as "Robert de Graff consumer item," "Robert de Graff market creation," or "Robert de Graff paperback books." These searches should lead you to various sources where you can gather information or find the direct answer to your question.
By reviewing the information you find, you will discover that Robert de Graff is primarily known for creating a vast new market for paperback books in the United States. Paperback books were cheaper, more lightweight, and more accessible than hardcover books, making reading more affordable and reaching a larger audience.
Therefore, the correct answer is c. paperback books.