Answer:
Economic differences between the Union and the Confederacy
Explanation:
Looked it up and got this, hope it helps!!
<span>During the height of muslim power, inventions included : b. mathematics
The proof of this is the existence of pyramid.
There is no way to build that without a strong understanding of Geometry, which is a very strong proof that mathematics were invented during that period</span>
Gold prices dropped exponentially in Northern Africa
The answer is C. Hopefully this helps