I know u are of class 9. well, before printing bible, the pope and priests in the church gave wrong messages about god. after printing, everyone will know what's in bible, so the priest's cant cheat the common people.
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Dude that answer is partly right and not full. Ya this question's from 9 grade.
Look at that time the churches were corrupted. They used to take money by giving wrong ideology of bible and even people didn't used to understand what was going on but they had to pay a lot of cash. When printing press was invented by John gutenburg (sorry id there a spelling mistake in name) translation began. People started to understand and stop paying money to popes so it would've hit them really hard. But for people it was a good sign.
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