Their were exactly 31 shuttles made and i know this because my dad works at NASA.
Railroads not only led to an increase in the ability to transport raw materials, but they also led to an "<span>B. increase in the demand for raw materials," since it provided for far more opportunities to use such materials all over the country. </span>
The answer is b hope this helps
Answer:
The radio allowed information to spread more quickly, and Americans were able to receive news, music and entertainment anywhere within listening distance. This helped create a firmer sense of American culture since now everyone in the country could listen to the same programming regardless of where they were.
Explanation: