Final answer:
Luther was influential because he allowed for the mass production of books through the printing press. This revolutionized the spread of knowledge and ideas.
Step-by-step explanation:
Luther was influential because he allowed for the mass production of books through the printing press. Prior to the invention of the printing press, books were painstakingly copied by monks in monasteries. With the printing press, books could be produced much more quickly and at a lower cost. This innovation revolutionized the spread of knowledge and ideas.
Wood block printing was an earlier form of printing used in East Asia, but it was not as efficient or widespread as the printing press.
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