Answer: B
It demonstrates that disputes over slavery consistently caused regional friction during the 18th and 19th centuries.
Explanation: Ap*x
I took the test
They were against it, and thought that it was too lenient for Germany and such.
I believe the answer is Gold.
Gold was a very hot commodity at that time because before we use paper/digital money like today, Gold was made as material to make a type of money with more intrinsic value.
The abundance of this natural resources led to many European empire came and started their colonization in AFrica.
Answer: the metric system
