U.S.-Iran Rivalry in the Shadow of China's Rise

America's partnership with the GCC

The strategic rivalry between the United States and Iran represents one of the most enduring and volatile fault lines in the Middle East. At its core, the confrontation centers on competing visions for regional order, control of energy resources, and influence over critical maritime chokepoints. For Washington, Iran’s aspirations for regional primacy and its resistance to U.S. military presence threaten longstanding alliances and the free flow of energy. For Tehran, American sanctions, military deployments, and support for regional partners constitute an effort to contain its legitimate influence as a major Persian Gulf power.

This bilateral rivalry has deep historical roots, intensified since the 1979 Iranian Revolution. Today, it manifests in proxy conflicts across Iraq, Syria, Lebanon, and Yemen, as well as in diplomatic maneuvering over Iran’s nuclear program. The United States maintains a robust network of security partnerships with Gulf Cooperation Council (GCC) states, whose leaders have consistently viewed Iranian ambitions with concern. Decades of close military and economic ties between the GCC and the West have created interdependent relationships that both sides see as vital for regime stability and national security.

Beneath contemporary geopolitics lie older sectarian and ethnic undercurrents within the Islamic world. While these differences are not always actively driving policy, external actors have at times leveraged them to reinforce strategic alignments. The United States and its allies, particularly Israel, view a strong Iranian-led axis as a direct challenge to the existing regional architecture. Iran, conversely, positions itself as a champion of resistance against external dominance and seeks greater sovereign control over the region’s vast oil and mineral wealth. A critical dimension of this rivalry is its connection to the broader U.S.-China great-power competition. As China’s economic and technological ascent continues, securing reliable energy supplies and stable trade routes has become central to Beijing’s long-term strategy. The Middle East supplies a significant portion of China’s oil imports, and the Strait of Hormuz remains a vital artery for global energy markets. U.S. strategists increasingly see control over these resources and chokepoints as a means to maintain leverage in the era of strategic competition with Beijing. By reinforcing partnerships in the Gulf and constraining Iran’s influence, Washington aims to limit China’s ability to build independent energy corridors and political partnerships in the region.

Why Beijing smiles while Washington confronts China is acutely aware of this dynamic. In response, Beijing has pursued diversified energy sources, expanded diplomatic engagement with both Iran and Gulf states, and promoted multilateral initiatives such as the Belt and Road Initiative to reduce dependence on any single security guarantor. The result is a layered contest in which Iran serves as both a regional actor pursuing its own objectives and an element in the larger Sino-American rivalry. Should current tensions escalate into direct conflict, the consequences would be profound. A major war could devastate regional infrastructure, disrupt global energy markets for years, and impose heavy reconstruction burdens on Iran and several GCC economies. European allies would likely be drawn in to support U.S.-led efforts, adding diplomatic and military weight. Yet such an outcome carries enormous risks, including uncontrolled escalation, humanitarian crises, and accelerated shifts in global energy geopolitics. In the coming years, the interplay between the U.S.-Iran rivalry and U.S.-China competition will shape the Middle East’s trajectory. While deterrence and alliance-building remain dominant U.S. tools, sustainable stability may ultimately require carefully calibrated diplomacy that addresses legitimate security concerns of all parties. Without inclusive frameworks, the region risks becoming a theater where great-power competition exacerbates local rivalries, with global repercussions far beyond the Gulf.

Written by Akhtar Bukhari