National boundaries are abstractions of the lines on the ground, reflecting the nation's trade policies.
What are National boundaries?
National boundaries at the primary level, boundaries are abstractions of the lines on the ground, reflecting the nation's trade policies, with macroeconomic consequences for the entire economy.
The Two types of changes are:
- A river changing course and traveling more than 50 feet. This would be a minor alteration to a nation-borders.
- A major change in a nation-state is usually caused by an international conflict, an invasion by another country, the collapse of a governing system, or the purchase of land.
Therefore, the above statement aptly describes the national boundaries.
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