Dominant Paradigms need strong borders.
The Rational Paradigm needs slaves (workers) and energy (oil). Fort 'Western World' has deadly walls of power all over the world.
Examples:
border between US and Mexico
border between Israel and Palestine
border between Nort Africa and Spain/Italy
border between South and North Korea
border between South Africa and rest of Africa
border between Pakistan and Afghanistan
border between Siberia and Alaska
border between Hong Kong and rural China
busy exploitation routes (sea, air, mainland)
....
