What the chart shows about the supply of books is that more books became available in the period. this meant that more people were reading.
In the 18th century, from what is shown on the chart, more of these Europeans had access to books. This was because more books were copied.
What this meant was that more people had begun to read and seek for information in Europe.
Read more on reading here: https://brainly.com/question/24836026
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