We can explain why new technologies are making physical features less of a challenge when creating and changing national boundaries in the following manner:
- In the past, physical features that made it difficult either to cross or to live in a certain region ended up becoming that region's or country's national boundary.
- For example, mountains, rivers, and deserts were difficult to cross, and thus were used to establish the territorial limits of countries.
- Now, we have developed technologies that make those feature less of a challenge. We can fly over mountains in airplanes or helicopters. We cross rivers and oceans in boats and ships. We can build houses with cooling systems to live in the desert.
- Therefore, physical features are now less of a barrier than they used to be, which means they have lost much of their importance as boundaries. National boundaries are now much more based on politics than on geographical features.
To write an explanation as the one above, first take the prompt into full consideration.
Begin by thinking of what physical features can be a challenge associated with national boundaries. For example: rivers, oceans, deserts, mountains.
Then, think about what we have developed that helps us cross those boundaries. How can we "cross" a mountain, a river, an ocean?
Finally, think of how that ability to cross those areas makes them less of a challenge - how it affects our perception of them as boundaries.
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