Bangladesh, June 30 -- The announcement of a preliminary understanding between the United States and Iran has been presented by Washington as a diplomatic breakthrough capable of ending one of the Middle East's most dangerous confrontations. President Donald Trump has described the agreement in triumphant terms, claiming it achieved "everything we set out to accomplish." Yet beyond the celebratory rhetoric emerging from Washington, a far more cautious mood prevails across the Arab Gulf.

For Gulf Cooperation Council (GCC) states, the agreement is not being judged by political slogans but by its practical implications for regional security, energy markets, maritime commerce, and Iran's long-term strategic ambitions. While Gulf capitals un...