The Answer to your question is it allowed us to export goods over the ocean; <span>more people-more jobs-more taxes.</span>
I believe the answer is: stereotype threat
stereotype threat refers to a prejudice that being targeted toward a certain member of a social group that could prevent those people from achieving their goals in society. Examples of a stereotype threat are: Girls are worse than boys at science, Men who are not physically strong are unworthy, etc.
The cities, for example Durban, would be a coastal plain.There's highlands (mountains), high plateus and rivers and lakes.
Antartica, Greenland. etc.