I think it’s D but I’m not sure...
Answer:
Spain
Explanation:
The Oregon boundary dispute or the Oregon Question was a 19th-century territorial dispute over the political division of the Pacific Northwest of North America
Both want a change from being ruled by an absolute ruler, both have economic instability from war debt, both have social inequality. And also, both started because of enlightenment ideas.
The correct answer is Indus.
The Yellow River was an important part of Chinese civilization.
The Tigris River was an important part of the Mesopotamia civilization, located in modern day Iraq.
The Amazon River is located in South America, and was an important part of several different civilizations.
This shows that the only correct answer can be Indus River.
My Answer: Jews and Christians.
Hope I helped! :D