It has increased.
In 2006, the United States produced more steel than it did in 1900, but China was the world's leading steel producer in 2006.
England or america i think
The correct answer is that groups of people may be classified in a reasonable way.
This is only for things like statistical data when doing the decennial census or anything similar.
Imperialists seeked possession of colonies that had extractive economies because they wanted to gain the advantage of the global resources.