articleThe Brief A University of Maryland poll found 52% of U.S. adults want the Iran war to end now. Only 20% support using military force to prevent Iran from obtaining nuclear weapons. Most Americans want the war in Iran to end, according to a recent poll conducted by the University of Maryland. In fact, most Americans would rather see the war end even without achieving an objective. By the numbers:More than half (52%) of all respondents said the U.S. should end the war in Iran right now and any unachieved objectives should be pursued diplomatically.