The State has emerged as the worlds main political units.
During the Cold War, the two economic philosophies that were predominant were "communism" and "capitalism", with the USSR championing the former and the US championing the latter.
A. The world was freed from its fear of communism.
The fall of the Berlin wall symbolized the fall of communism, and then when it was taken down, the world had alleviated the fear of that principle.
Restriction of interest in a narrow space