Answer:
War
Explanation:
This is only one of the answers but I figured I should share it nonetheless.
War is a common problem from the past and the present. The difference is the medium use to declare war. Nowadays, wars are different, power is measured by the access and manipulation of information. But, resources are the relation to the past, because, for hundreds of years, civilizations fought for natural resources, since then, its control empowers societies.
