Global affairs are characterized by the absence of a central authority to regulate interactions between nations, making diplomacy complex. While the UN facilitates cooperation, it lacks enforcement power, leading countries to navigate international relations independently. This situation results in diverse strategies among nations, often prioritizing national interests over collective agreements. ;
The unique aspect of global affairs is that no world-level authority governs how nations interact, making diplomacy complex. This scenario results in varied strategies and priorities, often leading to tensions among countries. Thus, the correct answer to the question is B.
;