The Two Technological Innovations of the Adaptation of Steam Power

The two technological innovations of the adaptation of steam power to printing and the development of faster and more reliable cylinder presses meant that publishers could sell their papers more cheaply ______.

A) so publishers could increase their reading audience, and thus break away from party sponsorship
B) and publishers could become more closely aligned with the political parties
C) although they actually raised their prices to pay for the new technologies
D) and publishers could aggressively pursue overseas markets, especially in Europe and South America