What happened
Wu Xinbo, dean of Fudan University's Institute of International Studies, lays out a causal reading: U.S. policy choices associated with an 'America First' posture — economic decoupling talk, unpredictable alliance management, and selective engagement — have altered the incentives and leverage that previously constrained China. In his view, those shifts are not simply rhetoric; they create exploitable space for Beijing to accelerate its diplomatic and economic projects in Asia and beyond.
Who gains leverage
The immediate beneficiary is political leadership in Beijing, which can convert openings into concrete gains: closer economic ties with regional partners, more influence over multilateral institutions, and a stronger narrative of stability relative to a perceived U.S. withdrawal. Secondary beneficiaries include Chinese state-owned firms and regional governments that face reduced political cost in deepening ties with China when U.S. commitments look less certain.
What mechanism is operating
The dominant mechanism is strategic retrenchment creating permissive opportunity. When a major power reduces alliance depth or signals transactional behavior, it raises the relative returns to local actors who align with the ascendant power. That mechanism combines economic statecraft — targeted investment, supply-chain offers, trade incentives — with diplomatic gap-filling where U.S. presence contracts, letting China win influence through routine governance and financing.
Why it matters
This shift matters because leverage in international systems is cumulative and path-dependent. Short-term tactical moves by a U.S. administration can translate into long-term structural advantages for China if Beijing institutionalizes gains — e.g., by locking in infrastructure deals, standards, or regional security arrangements. For the public, the result is tangible: altered trade prospects, changed defense commitments, and a reordering of who sets rules in technology, finance, and regional security.
What to watch next
Watch concrete signs of institutional lock-in: new long-term financing packages by Chinese banks, shifts in regional defense cooperation away from U.S.-centered frameworks, or changes to supply-chain contracts that favor Chinese firms. Also track U.S. policy reversals or renewed alliance investment; those are the clearest levers that can reverse or limit Beijing's gains.