This integration of regions or nations of the world through this global network has made the world to be like a big village, where various nations are like clans in this big village, while the Presidents of the various nations are like heads of clans in this big village.
Therefore as it is any thing that affects one clan affects the other in this big village. This is what is actually happening in our world of today. A crisis in the Niger Delta of Nigeria affects the international price of crude oil, travels, etc.