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By Ryan Patrick Jones
July 13 (Reuters) - Four in five Americans expect the U.S. war with Iran to drag on for an extended period, according to a Reuters/Ipsos poll conducted as fighting escalated and President Donald Trump declareda blockade of Iranian shipping in the Gulf.
The three-day poll completed on Sunday found that 79% of respondents think U.S. military involvement in Iran will "go on for an extended period of time," up from 65% in late March. Only 18% of respondents said they think the war would "end pretty quickly in a matter of weeks."
Some 37% of respondents approved of U.S. military strikes against Iran, which Washington resumed on June 26 in response to what it said were Iranian attacks on commercial shipping in the Strait of Hormuz.
The poll surveyed 1,019 U.S. adults nationwide and had a margin of error of about four percentage points.
Trump said on Monday the United States was reinstating its blockade of Iranian shipping in the Gulf and would be reimbursed 20% on all cargo transiting the strait after Tehran said it had closed the vital waterway and the two sides exchanged more missile and drone attacks.
The latest hostilitiescast further doubt on aninterim deal signed last month to reopen the strait and halt the war while the sides pursued 60 days of further negotiations. Trump has said he considers the ceasefire over, while leaving the door open to further talks.
Sixty percent of poll respondents said they expected gasoline prices to worsen over the next year as a result of the war. Half said they believe the war has not been worth its costs.
Trump's approval rating has hovered near the lowest levels of his political career since the conflict began, with Republican strategists warning that rising living costs have neutralized the political benefits of his tax cuts.
Higher gas prices and cost of living concerns pose a political risk to Trump's Republican Party ahead of November's midterm elections, in which it risks losing its House majority and possibly the Senate as well.
(Reporting by Ryan Patrick Jones in Toronto; Editing by Scott Malone and Sanjeev Miglani)

Facts Only

* Four in five Americans expect the U.S.-Iran war to last for an extended period.
* Seventy-nine percent of respondents think U.S. military involvement in Iran will continue for an extended time.
* Eighteen percent of respondents think the war will end quickly in a matter of weeks.
* Thirty-seven percent of respondents approved of U.S. military strikes against Iran.
* The U.S. resumed military strikes on June 26 in response to reported Iranian attacks on commercial shipping in the Strait of Hormuz.
* The poll surveyed 1,019 U.S. adults nationwide.
* Sixty percent of poll respondents expected gasoline prices to worsen over the next year as a result of the war.
* Half of respondents believed the war has not been worth its costs.

Executive Summary

Four in five Americans anticipate that the U.S.-Iran conflict will continue for an extended period, based on a Reuters/Ipsos poll conducted as fighting intensified and President Trump initiated a blockade of Iranian shipping in the Gulf. The three-day poll indicated that 79% of respondents expect U.S. military involvement in Iran to last longer than expected, compared to 65% in late March. Only a small minority, 18%, believed the war would conclude quickly within a few weeks. Furthermore, 37% of respondents approved of U.S. military strikes against Iran, which Washington resumed on June 26 in response to reported Iranian attacks on commercial shipping in the Strait of Hormuz. Regarding economic impact, sixty percent of poll participants projected that gasoline prices would increase over the next year due to the war, and half felt the conflict was not justified by its costs. This context is relevant as rising living costs have been noted by Republican strategists, posing a political risk to the current administration ahead of midterm elections.

Full Take

The data reveals a significant divergence between public perception regarding the duration of the conflict and the immediate escalation of hostilities. The widespread expectation for prolonged conflict, coupled with economic anxiety reflected in gasoline price forecasts, suggests that the domestic political calculus is increasingly framed by sustained hardship rather than short-term resolution. This dynamic interacts critically with geopolitical actions, such as the imposition of shipping blockades, which demonstrably shifts the risk landscape and fuels public uncertainty about stability. The tension between official statements regarding a ceasefire and the underlying public sentiment points toward a disconnect where political negotiations may not fully align with the lived experience of the populace. Furthermore, the linkage drawn by strategists between rising living costs and approval ratings suggests that economic realities are being utilized to redefine political outcomes, embedding cost-of-living concerns into electoral strategy. The structure implicitly asks whether the public's long-term expectation acts as a counterweight to immediate diplomatic efforts, or if prolonged expectations serve as a predictable pressure point for future policy shifts. What factors are missing from this polling that might account for the gap between expectation and action? What is the differential impact of perceived risk versus actual material consequences on different segments of the population?

Sentinel — Human

Confidence

The text reads like standard news reporting, effectively synthesizing polling data with geopolitical and economic context in a narrative style.

Signals Detected
low severity: Sentence length variance is present, reflecting typical journalistic prose.
low severity: The text flows logically from poll results to political context without excessive hedging or mechanical transitions.
low severity: Citations (Reuters/Ipsos poll) and direct quotes (Trump's statements) are integrated naturally, not just listed.
low severity: The specific data points and context feel grounded in a real-world event reporting structure.
Human Indicators
Attribution style (Reuters/Ipsos poll) and the weaving of disparate facts (military action, economics, political implications) suggest a journalistic synthesis rather than pure LLM generation.
Americans expect prolonged US-Iran war as ceasefire falters, Reuters/Ipsos poll finds — Arc Codex