Answer:
Their location relative to each other
Explanation:
It is very common for natural resources to be tied with the local communities in North America. People get their income and identity from these natural resources. When certain countries take interest in another country's natural resources, this causes disputes and conflicts that can be exacerbated. This is the reason why struggle over territories happen most of the time. Countries compete with each other and it is mainly due to the natural resources and their relative location.
