Answer:
C.
Explanation:
A is just wrong
B. Cures for diseases are way more recent than that
D. Philosophy and observation normally go hand and hand
The role of the ohio river was very important because it provided resources for the different nations.
I think the difference is caused by a person or group actually going through with genocide versus an attempt at it, but that's just my best guess?
Answer:
Earthquake and Tsunamis
Explanation:
Hope this helped if so pls mark brainliest :D