which concept describes economic and/or political steps, including preferential trade access, taken by…

which concept describes economic and/or political steps, including preferential trade access, taken by member states of a union to increase their global competitiveness?\n a. spatial transformations\n b. economic geography\n c. regional integration\n d. embargo
Answer
Brief Explanations:
Regional integration involves member - states of a union taking economic and political steps such as preferential trade access to boost global competitiveness. Spatial transformations refer to changes in space, economic geography is about the spatial distribution of economic activities, and an embargo is a trade restriction.
Answer:
C. regional integration