ok, the effects of pure globalization is tremendous, but we are seeing a hindrance of globalization, with the stubbornness of our politicians. i would say it is the governments of the west that contribute a lot of barriers to the globalization process, much more than the G-21 nations.. besides, the ultimate barrier is the inequal distribution of income created by colonialism and Imperialism that marred the earlier centuries, and also the animosity and insecurity caused by the World Wars...
When we examine Economic History, we see that before the rise of the colonial powers, there was a classic , perfect Globalization that flourished that included india, china, persia, and the arabs, which when we study it, is a perfect eg. of how globalization and free trade can enhance human society and culture...
and unfortunately, the globalization we are a part of now, is infact not globalization at all...