For Copernicus, I think it was On the Revolution of the Celestial Spheres. I think For Newton it was Philosophiæ Naturalis Principia Mathematica.
Thomas Paine's book, Common Sense, supported independence of the North American colonies.
He said that it was common sense that the colonists should be free of their former masters because now they were a new country/continent and had to take care of themselves. The other options have nothing to do with this pamphlet.
China had resources Europeans wanted such as dyes textiles and rice. China would also provide cheap labor and lots of land for the Europeans
It help us see with out candles consally burnig and people burned them self a lot less