<span>I would say its C) the fall of Communist states in Europe</span>
Answers A
Explanation:it’s a because it’s a
Because it was built on sand and some of it sunk, and changed due to erosion and weathering of the land
The addition of new resources often enables a nation to advance economically and technically. They are able to make new tools and conduct new experiments. New resources also make a nation able to make money by trading that item to another nation.