A vast majority of voters said they supported President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE’s decision to not launch a retaliatory strike against Iran last month, according to a new Harvard CAPS/Harris Poll.

Seventy-eight percent of voters surveyed said they believed Trump’s decision to call off the strike on Iran was the right move.

The Harvard CAPS/Harris Poll online survey of 2,182 registered voters was conducted from June 26 to June 29.

Trump ordered and then reversed a decision to strike Iran after an unmanned and unarmed U.S. drone was struck down last month.

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The president explained in a tweet last month that he felt a U.S. strike on Iran would not be "proportionate" to the Iranian action. He also said he learned 10 minutes before the U.S. strike that 150 Iranians would die as a result.

The same poll found that 57 percent of voters said they were against military confrontation with Iran if the U.S. was not directly attacked by the country, while 38 percent said they would support another U.S. military entanglement in the region.

"The public views Iran with deep suspicion and would support military strikes if they strike against us, but absent that they would proceed with caution," Harvard CAPS/Harris Poll Director Mark Penn told The Hill.

"They fully support the president holding back from striking them after they took out a drone. But they do view Iran as the most both aggressive and unsupported by their own people," he continued.

Tensions have escalated between the two countries since Trump pulled the U.S. out of the multinational Iran nuclear deal.

The Trump administration has continued to impose sanctions on Iran, further heightening the conflict.

The Harvard CAPS/Harris Poll found that 55 percent of voters said they disapproved of the way the U.S. was handling relations with Iran.

The Harvard CAPS/Harris Poll is a collaboration of the Center for American Political Studies at Harvard University and The Harris Poll. The Hill will be working with Harvard CAPS/Harris Poll throughout 2019.

Full poll results will be posted online later this week. The Harvard CAPS/Harris Poll survey is an online sample drawn from the Harris Panel and weighted to reflect known demographics. As a representative online sample, it does not report a probability confidence interval.