What invention of the middle ages contributed to making books easily available? a. paper b. dye c. printing press d. stencils

The invention of the Middle Ages which contributed to making books easily available was the Printing press.

Due to this invention, books had the chance to be introduced into the industrial age. And as a result, the production cost of individual books in large editions was lowered incredibly; which allowed an increase in the distribution of books and made them more affordable for people.  

1st amendment: freedom of speech, religion, petition, press, and assembly

2nd: right to bear arms

3rd: quartering of soldiers

4th: search and seizure

i confess that there are several parts of this constitution which i do not at present approve, but i am not sure i shall never approve them: for having lived long, i have experienced many instances of being obliged by better information or fuller consideration, to change opinions even on important subjects, which i once thought right, but found to be otherwise. it is therefore that the older i grow, the more apt i am to doubt my own judgment, and to pay more respect to the judgment of others.