Break down the role that the core, semi-periphery, and periphery play in the global economic system and give a basic explanation of how they interact with each other??

Peripheral countries generally provide labor and materials to core countries. Semiperipheral countries exploit peripheral countries, just as core countries exploit both semiperipheral and peripheral countries. Core countries extract raw materials with little cost.

italy:

classic, nostalgic, romantic and beautiful. no place better than italy or sicily.