1Read the passage. "The History of the Printing Press" Before the 1440s, books in Europe were copied entirely by hand, a process so slow that only wealthy institutions could afford a large collection. Johannes Gutenberg changed this when he combined a wine press with reusable metal letters to create a machine capable of printing pages far faster than any scribe could write them. Within decades, printing presses had spread across Europe, and the price of books dropped dramatically as production time shrank. This shift allowed ideas to spread more quickly than ever before, contributing to increased literacy rates and the rapid exchange of scientific and political ideas across the continent. Historians often point to Gutenberg's invention as one of the most influential developments in human history, precisely because it changed not just how books were made, but who was able to read them. Which detail from the passage explains HOW Gutenberg's invention worked?
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Answer: He combined a wine press with reusable metal letters.
The passage directly describes the mechanism of the invention as a combination of a wine press and reusable metal letters. The other options describe effects of the invention or a historical opinion about it, not how it functioned.
The passage directly describes the mechanism of the invention as a combination of a wine press and reusable metal letters. The other options describe effects of the invention or a historical opinion about it, not how it functioned.