A public good
non-excludable
non-rival
What battle is it talking about?
The two main resources that people are in conflict over are oil and water.
Water is an important resource in the Middle East because of how limited it is. Most of the region is dry. Conflicts occurred when countries are using more than their share of the water resources.
I think it is C. Austria-Hungary attacked Serbia to stop ethnic unrest.
Hope this helps!
lost some of its power, hope this helped <3