Before the 1500s people gained their understanding about the natural world from?

The Scientific Revolution is a major shift in thinking between 1500 and 1700, in which modern science emerged as a new way of gaining knowledge about the natural world

Explanation:

the lowest among the social higher rank were the working class. this class remained detached to the political progression   of the country and was hostile to the other two classes

answer:

it caused mass african migration, african populations to grow, african empires to topple, and racism against slaves to emerge.