The modern system of nearly 200 sovereign states wasn't a historical accident. For newly independent nations after colonialism, joining the UN provided a crucial framework of sovereignty that prevented international anarchy and allowed them to focus on internal nation-building.
Critiques of the UN's bloated budget miss the point. Its most vital function—high-level mediation by the Secretary-General—is a matter of political will and skill, not funding. Historically, this role was performed by a tiny team, proving that its revival is not a financial challenge.
The UN Secretary-General's influence during the Cold War wasn't just about mediating between the US and USSR. It was politically energized and supported by a powerful bloc of newly decolonized Afro-Asian states that saw the UN as a defender of their sovereignty.
U Thant's key role was inserting himself as an impartial mediator. This allowed leaders like Khrushchev to respond to a UN 'appeal for peace' rather than a US ultimatum, creating the political space needed for de-escalation without losing face.
The proximity to WWII created a powerful sense of restraint among world leaders in the 1960s. Today, that lived memory is gone. The absence of a deep, culturally ingrained fear of total war has eroded the political will for peace, making the world more dangerous.
China is not seeking to replace the UN with a new system. It sees the current structure, with its P5 Security Council hierarchy, as a perfect vehicle to use for its own advantage, much as the U.S. did for decades. China's goal is to become the dominant player within this existing framework.
The current global disarray is often misdiagnosed. The system truly at risk is the deeper, 80-year-old framework created post-WWII to prevent great power war. This is a more profound rupture than the fraying of the 30-year-old, US-led post-Cold War order.
The central idea from the UN's creation is that avoiding another total war, especially in a nuclear age, should be the ultimate priority. Engaging in transactional geopolitics and managing great power tensions without this core focus significantly increases the risk of a catastrophic global conflict.
After the Cold War, the UN was retooled to manage internal conflicts and deploy peacekeepers. This shift, driven by a unipolar moment with fewer state-vs-state wars, meant it moved away from its classic role as a high-level mediator, leaving it unprepared for today's resurgence of interstate conflict.