South Korea, Taiwan, Brazil, India, and Mexico are all examples of which type of region:

a. a hinterland, due to their status as the tributary areas of more powerful states that take advantage of their cheap labor and plentiful resources.

b. a peripheral region, due to their narrowly specialized economies and their continued unequal relationships with countries in core regions.

c. a semiperipheral region, due to their initial incorporation into the periphery, then eventual development of a manufacturing sector a core region, due to their broad range of industries, their advanced technologies, and their advantageous trade relations with other countries.

c. a semi peripheral region, due to their initial incorporation into the periphery, then eventual development of a manufacturing sector a core region, due to their broad range of industries, their advanced technologies, and their advantageous trade relations with other countries.

Explanation:

The South Korea, India, Japan, and the Brazil are the semi-periphery regions of the world as they are found between the core and the periphery and have organized characteristics that of both the core and the periphery country and have two or more competing regions. And play a major role in mediating the role of the social, economic and the political activities and are linked to all the areas.