The black death in europe killed off 1/3 of the population, it impacted religion in a way because many people believed it was gods punishment for sin. in 1347, 200 million were dead in the span of just four years
People such as John Locke, (who the colonists looked up into his writing), believed that people were born with natural rights, such as life, liberty, and property. The colonists in America believed similar, and got inspiration from what John Locke wrote in a book.
The Caste System
The term "caste" is used to describe stratified societies based on hereditary groups not only in South Asia but throughout the world. Others might present a biological explanation of India's stratification system, based on the notion that all living things inherit a particular set of qualities.
Expanded and advanced the society and met changing tasted