World-empires introduced ________ to enlarge their resource base in the face of rising populations.
A) colonization
B) the law of diminishing returns
C) urbanization
D) import substitution
E) minisystems
Question 2
The sphere of economic influence around citiesfrom which products for export and taxes are collected and to which imports are distributedis known as the city's
) external arena.
B) hinterland.
C) hearth area.
D) peripheral region.
E) both as the hinterland and the external arena.