2026年3月3日 / 美国东部时间下午5:04 / CBS新闻
大多数美国人认为特朗普政府尚未明确解释美国在与伊朗冲突中的目标。
解释（或感知到的缺乏解释）与民众是否支持这一行动相关。
美国人认为冲突持续时间越长，反对的比例就越高。半数美国人认为冲突将持续数月甚至数年。
当他们认为政府未作出解释时，会觉得冲突将持续更久或不确定其时长。
而最直接的看法是：目前，更多美国人认为军事行动会使美国更不安全，而非更安全。
美国人对政府可能的目标有不同想法，且认为目标众多。
认为目标是阻止核武器、打击恐怖主义或帮助伊朗人民的民众往往持支持态度。
也有部分人持更愤世嫉俗的观点，认为目标是为美国国内政治争取优势。
总体而言，多数美国人表示反对。
但总统所在的共和党——尤其是“让美国再次伟大”（MAGA）支持者——坚定支持这一行动。他们中的大多数认为这会让美国更安全。
这项调查重新联系了上周首次接受民调采访的美国人，该民调是在空袭开始前完成的。
上周空袭开始前，更多人表示支持为阻止核武器而采取的军事行动，而现在对总体军事行动的支持率有所下降。
出现这种差异的一个原因是：转向反对态度的人认为政府未解释其目标，且认为冲突不会短暂结束，反而会持续很长时间或不确定其时长。
相当大比例的三分之二受访者认为，政府应在采取进一步军事行动前获得国会批准。
（共和党人认为这并非必要，这与他们对美国在委内瑞拉军事行动的看法一致。）
本项CBS新闻/舆观（YouGov）民调基于一项全国代表性样本，对1,399名美国成年人进行了重新采访（采访时间为2026年3月2-3日，即美国对伊朗采取军事行动开始后）。此前于2026年2月25-27日进行的初步调查，基于对2,264名美国成年人的全国代表性样本。重新采访样本的总体误差幅度为±3.2个百分点。
Most say Trump administration still hasn’t explained Iran goals, CBS News poll finds
March 3, 2026 / 5:04 PM EST / CBS News
Most Americans feel the Trump administration has not clearly explained the U.S.’ goals in the conflict with Iran.
Explanation — or the perceived lack of one — is linked to whether people support it or not.
The longer Americans believe the conflict will last, the more they disapprove. Half the country believes it’ll be months, or even years before it’s over.
When they don’t think the administration has explained, they think it’ll last longer or aren’t sure.
And perhaps the most immediate view is this: Right now, more Americans feel the military action will make the U.S. less safe than more safe.
Americans do have their own range of ideas about what the administration’s goals might be, and they think there are a lot of them.
The people who say they think the goal is to stop nuclear weapons, stop terrorism or help the Iranian people tend to be supportive.
Some also voice a more cynical view, that they think it’s to gain political advantage back in the U.S.
Overall, most Americans disapprove.
But the president’s Republican — and especially MAGA — base is solidly behind the action. Most of them think it is making the U.S. more safe.
This survey recontacted Americans first interviewed for our poll last week that was completed prior to the start of airstrikes.
Last week, before the airstrikes began, somewhat more people said they’d approve of military action specifically to prevent nuclear weapons than say they approve of the action generally today.
One reason for the difference: the people who have since moved to disapproval think the administration has not explained its goals. And they don’t think it’ll be a short conflict, and instead believe it will either be long or are uncertain about its duration.
A sizable two-thirds say the administration should get approval from Congress for further military action.
(Republicans don’t think that’s necessary, echoing the views they expressed regarding U.S. military action in Venezuela.)
This CBS News/YouGov survey is based on a nationally representative sample of 1,399 U.S. adults who were recontacted March 2-3, 2026, after the start of U.S. military action against Iran, following aninitial surveyconducted before U.S. military action February 25-27, 2026 using a nationally representative sample of 2,264 U.S. adults. The margin of error for the total sample in the recontact survey is ± 3.2 points.
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