Because of the change in the demographics of the global economy over the past 30 years. such as The first was U.S. dominance in the world economy and world trade picture. The second was U.S. dominance in world foreign direct investment. Related to this, the third fact was the dominance of large, multinational U.S. firm on the international business scene. The fourth was that roughly half the globe-the centrally planned economies of the Communist world-was off limits to Western international businesses.