ch 15

Chapter 15 is about the early modern era that was intersected by 2 cultural trends that is still in use in today's world. The decline in Christianity after the Black Plague leading to the Protestant reformation came at quite an interesting time simply because not only was religion changing, peoples ideas about science during the scientific revolution lead to an even further decline in peoples faith. Galileo improved the telescope. Copernicus posited that the sun is at the center of solar system. Also, he said the earth rotates on its axis and planets revolve around the sun. Isaac Newton found the concept of gravitation and invented calculus. 

1st wave: spread of Christianity to North America and South America

2nd wave: Africa, Asia, and Australia , scientific methods; movement for Independence