It's C gurl!!
Do you need an explanation?
Anything long ago like, tools, vases, pottery, etc
The correct answer is Federalism
Explanation: Federalism is a political system in which political organizations (states, provinces) or groups come together to form a broader organization such as a central state. In the federalist system, its member states maintain autonomy.
Social Darwinism grew from the writings of D. Charles Darwin.