<em>Generally speaking, Geography has a tremendous impact on where and how people live in a country.</em>
Explanation:
In East Asian countries such as Vietnam, Laos, Cambodia, Thailand etc, we can kind all kinds of landscapes including hilly areas and beautiful sea shores.
However the population is mostly centered in areas which are relatively flat and with a water body near by, such as a river.
A warm temperature with plenty of annual rain that supports local agriculture is also proffered by most people. Even in parts of China, most of the population lives along rivers and warm areas.
