How have developed western countries affected non-western developing nations during the modern period? explain how three political economic and/or cultural approaches by european and other western countries shaped the developing world over the last 250 years

Mostly they affected it through their imperialism. They would colonize and take over countries for resources, and with them they would bring their technologies and things that they needed. After they left these things stayed, things like telephone and telegram lines and similar things. Culturally, they would mostly disregard the local culture and impose their own which would often be accepted and kept by the locals, but often there was also warfare.