The Scientific Revolution and Enlightenment threatened monarchies because people began to examine governments, society, and began to want unalienable rights and a more democratic government.
Explanation:
The Scientific Revolution made people more interested in examining things, whether it was material science or society. It also allowed the Enlightenment to begin, where people wanted a fair society with unalienable rights and democracy.
These popular ideas were against monarchies and people began to oppose monarchs, threatening monarchies in Europe.
here these screen shots of this artical may help. I couldnt type it because it was to much and i was only gien 4 mineutes. So i screen shot the pages for you. Hope they help. i think they are backwards by the way.