Different regions have different available resources. The need for certain resources is sometimes greater than resource availability in a given area. This leads the necessity to acquire needed resources from another area. Countries can export or import resources based on need, but there is algo the concern of finances as well.
Rational and empirical, its true, and we know it because there are people who did it, we can proove that its correct :)
You didn't give any answers for what the following is... But I think I know what the answers are.... I believe it is Kuwait because it has the smallest amount of crude oil reserves.
