Respuesta :
One of the main ways in which technological advances in printing impacted the United States in the 19th century was that "Newspapers and magazines became more affordable," since production became far more efficient.
The correct answer is D. Newspapers and magazines became more affordable
Explanation:
In the 19th century important advances in printing occurred, including the development of multiple methods of color printing such as chromolithography in 1837 or the development of offset printing which consist on transferring an inked image to a rubber blanket and then to a printing surface in 1870, that were soon adopted in United States printing industry and as both color printing and offset printed facilitated image printing these advances had an effect on newspapers and magazines as it made printing of newspapers and magazines easier and cheaper, which implied more people could have access to newspapers and magazines as these became more affordable.