For over seven decades, the United States has engaged in efforts to alter foreign governments, a pattern highlighted by its complex relationship with Iran. Beginning with the 1953 overthrow of Iran's elected prime minister, Mohammad Mosaddegh, these interventions have frequently led to significant human and financial costs, with recurring patterns of conflict and instability.

The current conflict between the US and Iran, which began with US-Israeli strikes on February 28, 2026, claiming Tehran was nearing nuclear weapons capability, is the latest in a long history of tensions. This war has seen regional fighting, including Iranian retaliatory attacks on Gulf states and actions by Iran-backed Houthis in Yemen targeting ships in the Red Sea. The closure of the Strait of Hormuz has disrupted global energy markets, and peace efforts have stalled.

This ongoing confrontation is a continuation of a US-Iran relationship marked by coups, covert operations, sanctions, and military engagements. Since Iran's 1979 Islamic Revolution, which ousted the US-backed Shah Mohammed Reza Pahlavi, Washington has consistently sought to undermine the Tehran government. However, Iran is not unique; similar US interventions have occurred in countries like Guatemala, Cuba, Chile, and Venezuela against governments perceived as hostile to American interests.

The effectiveness and consequences of these regime change efforts remain a subject of debate. While proponents might argue for strategic gains in certain instances, the long-term impacts often include prolonged instability, humanitarian crises, and entrenched anti-American sentiment. The pattern suggests that while interventions may achieve short-term objectives, they often create complex and enduring challenges.

The 1953 coup in Iran, orchestrated by the CIA in collaboration with Britain, aimed to reinstate the Shah after Mosaddegh nationalized the Anglo-Iranian Oil Company. This event demonstrated a willingness by Western powers to intervene to protect economic interests, even at the expense of democratically elected leadership. The Shah's reign, restored by this coup, lasted until the 1979 revolution.

Historically, US interventions have been driven by a variety of perceived threats, including the spread of communism during the Cold War, concerns over oil supplies, and more recently, the threat of nuclear proliferation and regional influence. These interventions have taken many forms, from direct military action and covert operations to economic sanctions and support for opposition groups.

Critics argue that these actions have often destabilized regions, fueled anti-Americanism, and led to unintended consequences that undermine US foreign policy goals. The financial cost of these operations, often spanning decades, is immense, encompassing military expenditures, aid packages, and the economic repercussions of prolonged conflicts.

As the current US-Iran conflict unfolds, questions persist about the long-term implications of American foreign policy interventions. The historical record suggests a pattern of significant costs, both human and financial, with outcomes that are often far from the intended goals, leaving a legacy of complex geopolitical challenges.