The United States showed little immediate enthusiasm Monday for an Iranian proposal that would end the war and reopen the Strait of Hormuz without resolving the standoff over Tehran's nuclear program. Iran's latest offer looked "better" than past pitches, Secretary of State Marco Rubio said late Monday after it was discussed by President Donald Trump and his national security team. The administration gave no indication it was willing to abandon its naval blockade of Iranian oil exports.

The proposal would focus on reopening Hormuz—the vital trade route whose closure has rattled the global economy—and ending the two-month-old war the U.S. and Israel began Feb. 28, but table nuclear negotiations for a later date, according to two Gulf sources who spoke with NBC News. The details were first reported by Axios.

What the Right Is Saying

Administration officials maintain that Iran's nuclear program remains the central issue and cannot be deferred indefinitely. "Suffice it to say that the nuclear question is the reason why we're in this in the first place," Rubio said in an interview with Fox News. "They're very good negotiators, but any agreement would have to be one that definitively prevents them from sprinting toward a nuclear weapon at any point."

White House press secretary Karoline Leavitt told reporters Monday that Trump's red lines on Iran have been clearly communicated. "I wouldn't say they're considering it," she said of the Iranian proposal, adding that Trump would address the subject publicly soon.

Republican foreign policy hawks have pressed for maintaining pressure until Tehran abandons its enrichment program entirely. Senator Tom Cotton of Arkansas wrote in a recent statement that any agreement must include "verifiable, permanent limits on Iran's nuclear capabilities."

What the Left Is Saying

Progressive Democrats have urged caution on any military escalation with Iran and expressed concern that Trump's maximum pressure campaign could push Tehran toward developing a nuclear weapon rather than deterring it. Senator Chris Murphy of Connecticut, a member of the Senate Foreign Relations Committee, has argued that diplomatic engagement offers more durable solutions than economic coercion alone.

Humanitarian groups have warned that the blockade is restricting food shipments to Iran. MarineTraffic data showed one cargo ship, the Chinese-owned New Pioneer, was transmitting coordinates indicating it carried grain bound for Iran when it transited the strait Monday night into Tuesday morning. A Japanese-owned crude oil tanker, the Idemitsu Maru, also moved through.

Environmental advocates have raised alarms about risks to global supply chains. The Strait of Hormuz previously carried one-fifth of the world's oil and essential products like fertilizers needed for the global food supply, according to historical trade data.

What the Numbers Show

Energy prices rose sharply on signs of stalled negotiations. National gas price averages hit $4.18 early Tuesday, up from $4.11 a day earlier and reaching a new high since the war began Feb. 28. The international benchmark Brent crude climbed above $111 per barrel, a three-week high.

Iran's oil storage capacity is running critically low. According to intelligence firm Kpler, Iran has enough remaining storage for approximately 12 to 22 days of production. While estimates vary on the blockade's economic impact, Kpler put the figure at $200 million to $250 million per day in lost export revenue. However, due to typical payment cycles where Iranian oil takes about two months to reach China and buyers have two months to pay, the full economic toll may not materialize immediately.

The U.S. military has deployed more than 100 fighter and surveillance aircraft, two carrier strike groups, and over a dozen ships to enforce the blockade of Iranian ports and coastal areas in the Gulf of Oman. The Pentagon has stopped and redirected at least 39 vessels since the operation began, according to U.S. Central Command.

Eight ships transited the Strait of Hormuz Monday night into Tuesday morning, including four tankers and two cargo ships, according to MarineTraffic tracking data. Liquefied natural gas tanker Mubaraz reappeared off the coast of south India in the last 24 hours; if it crossed the strait, it would be the first loaded LNG tanker to do so since the war started.

The Bottom Line

Trump held multiple options discussions Monday with his national security team in the Situation Room, including whether to increase or decrease military presence and whether operations should become more aggressive. No decisions have been made, according to two U.S. officials familiar with the meeting. Additional meetings on Iran were expected Tuesday.

Iranian Foreign Minister Abbas Araghchi traveled to Islamabad to present Tehran's proposal to Pakistani mediators but declined to meet directly with American counterparts. He then flew to Moscow for talks with President Vladimir Putin, a key Iranian ally. Trump scrapped a planned weekend trip to Pakistan by his envoys, leaving face-to-face diplomacy at an impasse.

Gulf allies are pressing for the reopening of Hormuz to restart oil flows regardless of nuclear negotiations. The Gulf Cooperation Council held a meeting Tuesday in Jeddah where the Iranian proposal was set to be discussed, according to two Gulf officials.

Rubio acknowledged Monday that Iran is "serious about figuring out how can they buy themselves more time." He added: "We can't let them get away with it." If no deal materializes, Rubio said the next steps would be Trump's decision to make.