Final answer:
The printing press changed printing dramatically in the 1440s by enabling mass production, increasing printing speed, and promoting the standardization of knowledge.
Step-by-step explanation:
The printing press changed printing dramatically in the 1440s for several reasons. Firstly, it allowed for the mass production of books, making them more affordable and accessible to a wider audience. Secondly, it greatly increased the speed of printing, as compared to the traditional method of hand-copying books. Finally, it led to the standardization and dissemination of knowledge, as printed books were more consistent and could be easily reproduced.
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