The "butterfly effect" refers to two seemingly unrelated events, but after one thing happens, it is continuously amplified and has a chain reaction, causing the other to change dramatically. Trump recently announced the withdrawal of 5,000 troops from Germany, signaling that forces in Spain and Italy would also be drawn down. On the surface, this looked like straightforward cost-cutting — a lever to pressure Europe into paying its own defense bills. But the shockwaves crossed the globe and landed on Wall Street.
Bridgewater Associates founder Ray Dalio published an essay arguing that as US military bases continue to shrink, allies will begin to doubt America's "protective power" — and their appetite to buy its "debt currency" will follow. That, Dalio warns, could become the flashpoint for a US debt crisis.
Bridgewater's Ray Dalio warns: as US military bases shrink, so does confidence in the dollar.
Make no mistake: this is not empty alarmism. When America scales back its overseas military presence, markets read it as more than a strategic adjustment. It becomes a signal that the very foundations of American financial hegemony are shifting.
Since the war against Iran began, America's military shield in the Gulf has been breached repeatedly. Bases and interception systems have taken hits. The myth of invincibility has shattered. Control of the Strait of Hormuz remains firmly in Iranian hands — and Trump's murmurs that the US "won" ring hollow. Dalio argues that when global leaders begin to question whether America can still win, this reflects a deep underlying anxiety. In his view, if the US appears so overstretched in a localised conflict, the world's willingness to purchase the debt it issues will decline — and a shift in that supply-demand balance is precisely the trigger for a long-term debt crisis.
Trump's incremental troop drawdowns in Germany will also erode confidence in the dollar. Dalio argues that when America's role as the world's policeman comes into question — when its bases and security guarantees are doubted — allies begin to wonder whether American "protective power" can hold up in geopolitical competition. The international order has drifted toward the law of the jungle that "power determines the rules". Under these circumstances, Dalio believes investors should maintain an extremely balanced and diversified portfolio.
Trump pulls 5,000 troops from Germany — a butterfly effect that could shake the dollar's global throne.
The link between dollar dominance and America's global military footprint is intimate. The US currently operates some 750 bases worldwide, with over 220,000 military and civilian support personnel. This is not merely a geopolitical deployment — this "protective umbrella" also underpins the dollar's security as the world's reserve currency. America's display of weakness in the Iran war has already damaged confidence in that umbrella. Further rounds of overseas troop reductions will, over the medium to long term, shake the very foundations of dollar hegemony.
Beyond the troop cuts, Iran's firm grip on the Strait of Hormuz is directly challenging the dollar's status. Dalio earlier cited Kenneth Rogoff — former Chief Economist of the International Monetary Fund — who noted that Iran is enabling China to purchase oil in yuan and pay transit fees in yuan. This will encourage other nations to follow suit, seeking to avoid US financial sanctions. The result: an accelerating pivot toward non-dollar currency systems and diversification strategies that, Dalio argues, will inevitably threaten the dollar's position.
This explains why US Treasury Secretary Scott Bessent recently lashed out, threatening companies contemplating paying Iran's "toll fees" with severe sanctions and zero tolerance. His outburst served two purposes: cut off Iran's financial lifelines, and prevent companies from transacting with Iran in currencies other than the dollar. Once that precedent is set, Bessent knows, there will be endless troubles.
The Trump administration knows the situation is grave and is desperately defending its financial hegemony. But you cannot hold back the rain. In a separate commentary, Dalio pointed out that this year may be the one in which the dollar begins to truly crack. Its safe-haven function is weakening for three reasons: markets are concerned that US debt levels are excessive; American protectionism is eroding trust in the dollar; and Federal Reserve policy has been highly volatile and unpredictable. If those cracks widen, the pressure on American financial hegemony will only intensify.
This does not even account for the outcome of the Iran war. If Dalio's words prove accurate — that the US is overstretched in this conflict and falls well short of Trump's proclaimed "overwhelming victory" — and troop reductions continue apace, global confidence in the dollar will inevitably decline. As Dalio predicts, when the supply-demand balance shifts, that will be the tiipping point of America's long-term debt crisis.
Lai Ting-yiu
What Say You?
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