Trump’s approach to foreign policy, characterized by unpredictability and the application of the ‘Madman Theory,’ suggests a new diplomatic paradigm. While it has garnered some allies’ compliance, the efficacy against adversaries remains uncertain, leading to potential long-term shifts in international relations.
Trump’s ‘Madman Theory’: A New Era of Unpredictable Diplomacy

Trump’s ‘Madman Theory’: A New Era of Unpredictable Diplomacy
President Donald Trump’s enactment of the 'Madman Theory' in international relations underscores a strategic shift, leveraging his unpredictability to reshape alliances and bolster US foreign policy.
US President Donald Trump continues to navigate the complex terrain of international politics through a strategy he has seemingly mastered—unpredictability. Recently, when questioned about the possibility of a military alliance with Israel against Iran, Trump offered an enigmatic response: "I may do it. I may not do it. Nobody knows what I'm going to do." This statement encapsulates his methodology, which cleverly combines ambiguity with decisive action, as evidenced by his choice to bomb Iran despite earlier hints of negotiations.
Experts suggest that Trump’s erratic decision-making is not merely coincidental. Peter Trubowitz, a professor at the London School of Economics, argues that Trump's intensive grip on foreign policy resembles that of Richard Nixon, emphasizing a centralization of power that makes international relations heavily reliant on Trump’s personal disposition and worldview. This unpredictability has become a tactic, referred to in political circles as the 'Madman Theory', wherein a leader fosters fear of their capriciousness to compel other nations into concessions.
Trump has capitalized on his unpredictable persona as a cornerstone of his international stance. By making erratic moves, like cozying up to Russia while berating traditional allies, he has altered the dynamics of long-standing geopolitical relations. Recent events illustrate this shift: NATO allies, once comfortably aligned with the US, are now wary, as Trump's threats to withdraw support and questionable remarks about mutual defense commitments cast doubt on America's reliability.
Compounding this concern, internal communications from within Trump’s administration revealed a dismissive attitude toward European allies, with officials labeling them as "freeloaders." This rhetoric fueled speculation that the transatlantic alliance is in jeopardy, akin to a breaking point after 80-plus years of solidarity. The implications are significant, including a potential uptick in defense spending among NATO members, which have risen sharply in response to Trump's unpredictable foreign policy scenarios.
Historically, the 'Madman Theory' harkens back to Nixon's strategy during the Vietnam War, where inducing fear of irrational behavior was deemed a means to secure negotiations. Today, Trump has revived this doctrine, as his communication and negotiation tactics render him equally a source of concern and interest among global leaders.
However, experts question the effectiveness of this approach against true adversaries like Russia. Trump’s overtures to Vladimir Putin appear to have achieved little progress, with the Russian leader seemingly unaffected by Trump's erratic style. Meanwhile, nations like Iran may respond to military aggression with increased resolve toward nuclear capabilities, an outcome Trump purportedly sought to avoid altogether.
As this 'Unpredictability Doctrine' evolves, scholars warn that it might not only diminish trust among allies but could also allow rivals to recalibrate their strategies in relation to the US. The path forward for transatlantic relations remains fraught with uncertainty; while Trump's style may yield immediate, short-term gains in loyalty from allied leaders hoping to curry favor, the overarching reliability of US commitments remains questionable.
This fundamental shift has left European partners speculating on their future relations with the US, raising pressing questions about how diplomatic engagement should proceed under such erratic leadership. As the global landscape continues to evolve, the true implications of Trump's rationale and actions will be revealed—whether they usher in a new age of negotiation or foster misgivings and instability within international alliances.