It was the tittle of the movies
I believe the answer is: Core
A nations is considered as a core of world's economic system if every economic decisions that made by that country would most likely set up the economic trend for the rest of the world. Other example of nations that considered as a 'core' are: England, China, Russia, and Germany
A...... separate countries from each other
Realism
Born in the France revolution, realism rejected the assertions of idealism and naturalism that enveloped man decisions in a non verifiable idealistic environment of predestination. realism embraced life as it is in its crude and fine forms, postulating that mankind was in control of his destiny and that he/she is superior to all the circumstances he face.
