While the concept lost some of its relevance at the end of the Cold War, it is back in the spotlight with the return of ...

The collapse of the Soviet Union greatly reduced the West’s fear of another world war—a fear that had led Western leaders to ...

Trump’s second-term foreign policy asserts U.S. hegemony in the Western Hemisphere while exploring a great power system based ...

China unveiled DeepSeek, which appears to give other advanced ... The abandonment of the open door and the return to spheres of influence may offer a useful framework for understanding the changes ...

The tennis world should be divided into three spheres of influence, and go with three tours: A spring European (clay) circuit, perhaps starting in temperate climes in South American, a summer ...